mardi 30 juin 2020
Coronavirus Was Moving Through NY in Early February
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In Early February, the Coronavirus Was Moving Through New York
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Mask Fights: America Is Fighting Over Coronavirus Safety
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Live Coronavirus News Updates
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Why You May Not Be Spreading Coronavirus
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Most People With Coronavirus Won’t Spread It. Why Do a Few Infect Many?
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Live Coronavirus News Updates: Fauci to Testify
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Scientists Say New Strain of Swine Flu Virus Is Spreading to Humans in China
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What a Family That Lost 5 to the Virus Wants You to Know
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What Coronavirus Researchers Can Learn From Economists
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How José Andrés Faces the Challenge of Feeding Millions
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U.S. Commandos at Risk for Suicide: Is the Military Doing Enough?
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The Pandemic May Spare Us From Another Plague: Bedbugs
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lundi 29 juin 2020
Remdesivir, the First Coronavirus Drug, Gets a Price Tag
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Caring for Children With Multisystem Inflammatory Syndrome
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Live Coronavirus Updates: Cases and Deaths
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The Challenges of the Pandemic for Queer Youth
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Does Your Local Doctor Have a Coronavirus Test for You?
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A Worm’s Hidden Map for Growing New Eyes
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Two Friends in Texas Were Tested for Coronavirus. One Bill Was $199. The Other? $6,408.
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Mask Exemption Cards From the ‘Freedom to Breathe Agency’? They’re Fake
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Live Coronavirus Updates: Global Death Toll Surpasses Half a Million
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Swimming With the Sea Lions of Los Islotes
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‘Feeling Like Death’: Inside a Houston Hospital Bracing for a Virus Peak
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Starbucks Barista Gets $87,000 in Donations After Customer’s Mask Complaint
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dimanche 28 juin 2020
‘They Want to Kill Me’: Many Covid Patients Have Terrifying Delirium
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Is An Alkaline Diet Really Healthier?
Of all the ways you can easily become confused by what foods are “healthy,” the most common is the cruelest. The diet industry loves to take a concept that you understand on a basic level, and then twist science to make it seem that certain foods are dangerous to your health.
The manipulation of fear pushes you towards more restrictive diets, “requires” you to waste money on tests that only heighten your fear (unnecessary), and this forces behavioral changes that are unnatural to your preferences and, oftentimes, just lead to more frustration and failure.
This is exactly what has happened with the “alkaline diet,” or any dietary suggestions that make you worry about the alkalinity or acidity of a food.
Before you shift your diet based on the pH levels of foods or spend extra money to have a more alkaline-based diet (yeah, we’re looking at you alkaline water), let’s clear the air on what’s happening in your body and what really matters for your health.
Acid Diet vs. Alkaline Diet
In order for all of this to make sense, here’s a quick refresher that explains why people are even concerned with the acidity or alkalinity of the foods you eat.
Your body has a pH level that establishes whether something is acid, neutral, or basic (AKA more alkaline heavy). Your pH balance runs on a 14 point scale, with 0-6.9 being acidic, 7 is neutral, and anything above a “7” is basic.
When your body is balanced, it’s able to use vitamins and minerals more effectively. And, there’s a growing belief that cancers thrive in an acidic environment.
Therefore, there’s an assumption that following an alkaline diet will reduce the acidic environment of your body and keep you safe.
Is an Acidic Diet Dangerous?
Fortunately, for your sake and the health of your body, eating more acidic foods does not pose the threats you’ll see across the internet.
People who recommend eating a more “alkaline diet” will suggest that acidic foods change the pH of your blood and increase your risk for disease.
This is simply not true and here’s why: Your blood pH is tightly regulated so it stays between 7.35 and 7.45, which is slightly alkaline (1 is acidic, 7 is neutral, and 14 is alkaline).
No food can lower or raise blood pH. (Let that sink in as the first sign that any acid/alkaline diet suggestions are scare tactics based on bad science.)
To be clear: food cannot change the pH of your blood.
There are many systems in place to prevent that from happening. If the pH of your blood changes, that means you’re in critical health danger. So, the belief that eating an acidic diet will change blood in a way that causes a life-threatening disease (like cancer) isn’t real.
Now, some people will confuse you by having you test your urine when you eat certain foods. If you do this, it’s likely that you’ll see pH changes. But, looking at your urine as an indicator of acid levels in your body is very misleading.
That’s because your stomach is very acidic due to the fact that it helps break down food. So, if you eat acidic food, once it passes through your stomach, naturally, you will excrete acid. This does not mean that your body is in any sort of danger or out of balance.
Furthermore, a blood pH below 7.35 is known as metabolic acidosis, while alkalosis refers to a blood pH above 7.45. Either case is cause for serious concern and requires immediate medical attention. It’s not like you’d eat meat, change your pH level, and have issues without knowing.
If the pH level of your blood changes, you will know and you’ll likely feel very sick.
That’s not to say that eating some acidic foods won’t have consequences, but it’s a bait-and-switch rationale. Added sugars and refined starches are problematic not because they are “acid-forming,” but because they are minimally nutritious, raise biomarkers for heart disease, and can wreak havoc on our blood sugar levels.
Is an Alkaline Diet Better?
While there’s no need to test or worry about the acidity or alkalinity of your urine, there are other reasons to eat a more alkaline diet — and all of those reasons have nothing to do with testing pH levels.
Many of the world’s healthiest foods just happen to be alkaline.
Alkaline foods include fruits, vegetables, nuts, seeds, and legumes. Eating those foods is a good idea, in general, but that doesn’t mean you need to stay away from acidic foods (like meat and eggs), and there’s no evidence that the acidity of your diet will bring on disease.
And don’t just take our word for it. According to resources from the American Institute for Cancer Research: “Altering the cell environment of the human body to create a less-acidic, less-cancer-friendly environment is virtually impossible.”
If you’re thinking about buying alkaline water, please save your money. You can read all about why in this article from The New York Times.
But, if you want to eat more alkaline foods, do so without worrying about the pH and simply because they are good options that fit into your dietary preferences.
Have questions? Share them in the comments below.
And if you’re sick and tired of the diet industry misleading you, the hands-on support of our online coaching program may be right for you. Every client is assigned two coaches — one for nutrition and one for fitness. Find out more here.
The post Is An Alkaline Diet Really Healthier? appeared first on Born Fitness.
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samedi 27 juin 2020
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vendredi 26 juin 2020
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Kenneth Lewes, Who Challenged Views of Homosexuality, Dies at 76
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A Virus Walks Into a Bar …
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jeudi 25 juin 2020
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Arizona ‘Overwhelmed’ With Demand for Tests as U.S. System Shows Strain
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mercredi 24 juin 2020
Study Raises Concerns for Pregnant Women With the Coronavirus
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Breakthrough Drug for Covid-19 May Be Risky for Mild Cases
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Roundup Maker to Pay $10 Billion to Settle Cancer Suits
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Live Coronavirus Updates: Nations Scramble to Fend Off Outbreaks
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Those Who Can’t March Can Still Make a Difference
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How to Help Kids Embrace Mask-Wearing
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9 Hand Sanitizers May Be Toxic, F.D.A. Warns
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mardi 23 juin 2020
In Poor Countries, Many Covid-19 Patients Are Desperate for Oxygen
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Sanofi Accelerates Its Timeline for Coronavirus Vaccine Development
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Ahead of Trump Visit, Church Makes Unproven Claim of Covid-Killing Technology
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How to Start Meditating
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Women With Cancer Awarded Billions in Baby Powder Suit
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When Face Masks Hide Your Smile and Other Emotions.
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Live Global Coronavirus News: Novak Djokovic Tests Positive
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Living in Poverty May Increase Alzheimer’s Risk
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What Can We Learn From Swimmers of a Certain Age?
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The Race to Develop a Covid Vaccine
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lundi 22 juin 2020
A Multibillion-Dollar Opportunity: Virus-Proofing the New Office
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Gilead to Test a Version of Remdesivir That Can Be Inhaled
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Live Global Coronavirus News
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Live Global Coronavirus News: White House Says It’s Bracing for an Autumn Wave
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Toxic Ghosts
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Bike Spills, Trampoline Falls and Sips of Sanitizer: How Kids Are Getting Hurt at Home
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dimanche 21 juin 2020
Public Health Experts Reject President’s View of Fading Pandemic
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Tsunami or Ripple? The Pandemic’s Mental Toll Is an Open Question
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Coronavirus Updates: Latest News and Analysis
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samedi 20 juin 2020
Federal Agency Halts Studies of Hydroxychloroquine, Drug Trump Promoted
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Coronavirus Updates: Latest News and Analysis
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vendredi 19 juin 2020
Copper Won’t Save You From Coronavirus
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Wildlife Trade Spreads Coronaviruses as Animals Get to Market
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Too Many Vaccine Trials May Exclude Older Adults
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In Fighting a New Outbreak, China Tries to Focus Firepower
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Live Coronavirus Updates: Tensions Grow Over Masks
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Coronavirus Attacks the Lungs. A Federal Agency Just Halted Funding for New Lung Treatments.
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American Airlines Bans Conservative Activist Who Refused to Wear a Mask
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Hot Weather Carries Risks for Some Dogs More Than Others
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How Housekeepers and Domestic Helpers Can Safely Return to Work
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jeudi 18 juin 2020
What Makes Some People More Resilient Than Others
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Scientists Take Aim at Another Coronavirus Study in a Major Journal
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Big Tech Zeros In on the Virus-Testing Market
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You May Have Antibodies After Coronavirus Infection. But Not for Long.
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Big Tech Zeros In on the Virus-Testing Market
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In This Pandemic, Personal Echoes of the AIDS Crisis
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Climate Change Tied to Pregnancy Risks, Affecting Black Mothers Most
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As Some Sleepaway Summer Camps Close Down, Others Balance the Risks
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Covid Cases Rise as Trump Says Virus Is ‘Fading’: Live Updates
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Coronavirus Live Updates: Mixed Messages From Washington
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mercredi 17 juin 2020
Race Is Used in Many Medical Decision-Making Tools
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Dr. Tomisaku Kawasaki, Who Pinpointed a Mysterious Disease, Dies at 95
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Scientific Panel on New Dietary Guidelines Draws Criticism from Health Advocates
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Europe Rolls Out Contact Tracing Apps, With Hope and Trepidation
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Coronavirus Live Updates: Millions of Doses of Malaria Drugs in Limbo
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mardi 16 juin 2020
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lundi 15 juin 2020
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High-Intensity Training: The Most Common HIIT Workout Mistake
High-intensity interval training (AKA “HIIT”) has been a popular training method for years. It’s effective and time-efficient. But, as time has gone on, the methods you see being labeled as “HIIT” are getting farther away from the science that proved the effectiveness of these types of routines.
Just because the high intensity is good, doesn’t mean adding more and more work is better.
The biggest problem with HIIT workouts is that people took a great concept (higher intensity, less rest) and destroyed the execution.
The mindset looks something like this:
“If four minutes is great, then eight minutes must be incredible. And if eight minutes is incredible, then 16 minutes must be mind-blowing.”
This is the opposite of what you want to do. Adding more time does not make all workouts more effective. And, with HIIT, you could easily argue it could reduce the effectiveness of the training.
Why HIIT Workouts Are So Effective
The name of the game is efficiency. There are many ways to train, but scientists are fascinated by high-intensity interval workouts because, when done correctly, you can see great benefits in less time.
The key with good HIIT programming is doing everything you can to maximize intensity. It’s that intensity that enables you to keep the workouts shorter and experience benefits like muscle building, fat loss, and cardiovascular improvements that you typically see in longer workouts.
But, if you don’t set up your workouts in a way that keeps intensity high, then you start to take away from the power of HIIT.
In general, HIIT workouts are characterized by the following:
- Go hard (work at a high intensity, either heavy weights or lots of reps).
- Rest.
- Repeat.
What makes HIIT so effective is the exercise-to-rest ratio. As decorated strength coach Robert Dos Remedios explains in this blog post, a lot of the most popular training protocols are totally backward when it comes to their work-rest ratio.
Translation: People train for way too long of a period, followed by far too little rest.
Coach Dos explains that for a truly all-out effort, you should rest for as much as 5-6 times the time you spent working. When you train for longer periods while resting for shorter ones, the training winds up being more of a cardio/aerobic challenge — which is okay if that’s your goal.
When you go for too long with too short of rest, you’re likely to decrease the intensity of your work, which is the whole point of high-intensity training.
What is the Best HIIT Workout?
If you want HIIT to work for your body (and schedule) and lead to body transformation and health benefits (HIIT workouts are also shown to improve cognition), then shorter rest periods will necessitate shorter workouts. This is all done to maximize intensity and results. Long HIIT workouts with short rest periods are more likely to lead to burnout and not get the desired effects.
In other words, your “work” periods will influence your rest periods. Keep the work short per Dos Remedios’s recommendations, and as the interval work time increases, make sure your rest increases as well.
An ideal work-to-rest ratio for all-out high-intensity intervals could be:
- 10 seconds of work, followed by 50 seconds of rest
- 20 seconds of work, followed by 100 seconds of rest
- 30 seconds of work, followed by 150 seconds of rest
Now, that’s not to say you can’t do more common intervals like 20 seconds of work followed by 40 seconds of rest.
If you do that, either realize that later sets will be lower intensity, or make sure you do fewer total sets in order to maintain your intensity.
After all (and we can’t stress this enough), the key to HIIT is the intensity. Push your body to maximum output, rest for just enough time to keep that intensity at its highest, and then get back to work.
How Long Should a HIIT Workout Be?
So, what’s the sweet spot? Everyone is going to be a little different based on body type, training experience, and goals. And there are really two important aspects: how many days per week you should do high-intensity training and how many sets you should perform per session.
Craig Marker, Ph.D., an associate professor at Mercer University, explains that you should stop if you are noticing a drop off in your performance from set to set.
“I stop most of my athletes at seven sets as it is difficult to maintain that pace for the full eight. Tabata’s team was working with elite athletes. For the everyday athlete, I might even suggest fewer sets, like three to five.” (You can read more about his approach here).
How Often Should You Do HIIT Workouts?
Because these workouts take more time to recover, it’s recommended that you do a HIIT workout anywhere from 1-3 times per week, depending on the overall volume of your training.
For example, if you’re weight training 4-5 times per week, you’ll respond better if you only do an additional 1-2 HIIT sessions per week. Otherwise, you’ll never recover properly and week-over-week you won’t see as much progress with your training or changes to your body.
If you only train with weights 2-3 times per week, then it’s possible for you to add 2-3 sessions of HIIT per week.
How To Do A HIIT Workout
Using the guidelines above for frequency, here’s how you can build your own HIIT workout using the exercises of your choice. Follow this 2-step process, and then limit your work sets to 4 to 8 rounds, based on your level of fitness.
Step 1: Select The Best HIIT Exercises
As the name would suggest, HIIT workouts should be something that allows you to push at a very high intensity.
If you choose to walk, then you must be able to sprint. If you want to bike, then pedal harder (if you can increase the resistance) or faster. If you’re swimming, swim faster. And, if you’re lifting weights, you’re picking a weight that you can lift for about six reps or where you can move quickly and explosively (think medicine ball slams).
Here are exercises you can pick from (many more exist) to create your HIIT workout:
- Sprint
- Bike
- Rower
- Kettlebell swings
- Versaclimber or stair-stepper
- Jump rope
- Tire flips
- Jump lunges
- Cleans
- Thrusters
- Med ball slams
- Deadlifts or squats
Step 2: Select How Long to Make Your HIIT Workout Last
- 10 seconds of high-intensity work.
- 50 seconds of rest or low-intensity work.
- Repeat for 4-8 rounds.
OR
- 20 seconds of high-intensity work.
- 100 seconds of rest or low-intensity work.
- Repeat for 4-8 rounds.
Step 3: Recover
Remember, intensity isn’t just about how much time you have to recover during a workout, it’s also what you do between workouts. To maintain intensity during your workout, remember to focus on resting 5-6 times as long as your work sets. And, don’t perform HIIT workouts every day because, at some point, your overall intensity will decrease, you won’t make progress from one training session to the next, and that will limit your results.
Now Go Get Your Sweat On
We’ve laid out why high-intensity interval training is effective, what the best HIIT workout practices are, and provided examples of some of our favorite exercises. Remember, the key to proper HIIT training is maintaining a high level of intensity for the entire workout.
Have questions? Share them in the comments below.
Or if you’re looking for more personalization and hands-on support our online coaching program may be right for you. Every client is assigned two coaches — one for nutrition and one for fitness. Find out more here.
The post High-Intensity Training: The Most Common HIIT Workout Mistake appeared first on Born Fitness.
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