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Here's how many days a person can survive without water

We can't live on air and sunshine alone. The human body needs food and water to survive.<p>A human can go for more than three weeks without food — Mahatma Gandhi survived 21 days of complete starvation — but water is a different story.<p>At least 60% of the adult body is made of it and every living cell …

Wellness

The Best Way to Deal With Ocean Trash

Plastic debris doubles every decade. What ends up in the ocean is nearly impossible to clean up.<p>Tony Haymet, former director of the Scripps Institution of Oceanography, has heard hundreds of ocean cleanup plans. Late at night, over many beers, he's come up with a few dozen of his own. None of them, …

Overfishing Remains Biggest Threat to Mediterranean, Study Confirms

Changing Planet<p><b>Overfishing is still the most important threat to Mediterranean underwater ecosystems, “more than pollution, invasive species, or climate change”, says Enric Sala, one of the authors of the most comprehensive study made of the sea, published this week in the science journal PLoS …

Why (and When) You Need More Protein

New research reconsiders how protein is needed for muscle growth and repair.<p>Over the last few months, I've been spurred to rethink how much protein I need on daily basis, and when I need it. This isn't particularly earth-shattering, of course -- people have long known and debated the role of …

Nutrition

Six Hot Topics in Sports Science

Where will the next breakthroughs come?<p>I realize that everyone is sick of end-of-old-year and beginning-of-new-year lists, so bear with me here. The following is <b>not</b> a list of sports and exercise science topics that I think are ripe for progress in 2014. Definitely not. Instead, it's a completely …

Exercise Science

Fitness, Fatness, or Knee Strength

What's the best way to predict heart attack risk?<p>There's power in numbers. Swedish researchers just published a pretty neat study in which they followed a staggering 743,498 men for an average of 34 years. The basic analysis, published in the <i>European Heart Journal</i>, was very simple: the men were …

Biomedicine

Who Has the Greatest VO2max of Them All?

Beating the oxygen bottleneck.<p>The final piece in my <i>Globe and Mail</i> series on the physiological limits faced by Olympic athletes deals with oxygen. The first thing that leaps to mind when you mention oxygen to endurance athletes is VO2max:<p><i>Retired cross-country ski legend Bjorn Daehlie’s record tally</i> …

Winter Olympics
Whales
Tour de France

Company Plans To Make Paper Towels And Diapers Out Of Jellyfish

Gird thy loins with jellyfish, child.<p>In many places, like beaches in Israel, there are too many jellyfish, nourished by rising ocean temperatures and acidity. Besides stinging swimmers in that country and worldwide, they can cause other thorny problems, like recently clogging the intake pipes of a …

Diapers

Plane Search Shows World's Oceans Are Full of Trash

Search for missing Malaysian plane shines spotlight on giant ocean garbage patches.<p>Before Malaysia Airlines Flight 370 went missing, sea trash was not a global headliner.<p><b>But as hundreds of objects sighted off the Australian coast as possible aircraft debris turn out to be discarded fishing</b> …

Myanmar's Tourism Boom Endangers Fragile Ecosystems

The country has opened its doors to tourism and all that goes with it: hotel construction, pollution, waste—and perhaps ecosystem loss.<p>The morning sun shoots rays over the tops of the steep hills surrounding Inle Lake that pierce the mist rising from the waters. Egrets and coots glint white in the …

Debunking Captivity: 3 Reasons Not to Keep Dolphins in a Tank

Wildlife & Wild Places<p>A bottlenose dolphin in the wild. (Photograph by Maddalena Bearzi)<p>I have spent much time in the company of wild dolphins over the last twenty-something years. I’ve built a career following their everyday movements and observing their behavior both from shore and from research …

A Better Way to Protect Our Ocean Ecosystems

Wildlife & Wild Places<p>Over the past 30 years, we’ve made tremendous scientific gains in understanding how marine ecosystems work while monitoring the impacts of fishing and other extractive activities on the health of our oceans. What’s more, the application of new science, along with critical …

Get Fit and Sexy—Fast!

Exercise 1 DYNAMIC KNEE RAISE<p>Stand on your left leg, knee slightly bent, and extend your right leg out to the side, toe touching the floor; extend both arms overhead, reaching over to your left side <b>(a)</b>. In one motion, raise your right knee toward your chest as you lower both hands to your knee <b>(b)</b>. …

Blast Fat with These 5 Total-Body Combo Moves

Exercise 1 Split squat with overhead press<p>Grab a pair of 8- or 10-pound dumbbells. Stagger your stance into a wide step, one foot forward and one back with hips squared, and hold the weights just above your shoulders, elbows close into your sides <b>(A)</b>. Leaning forward ever so slightly, bend both your …

5-Minute Workout: Tone Your Butt and Thighs

<b>The Moves:</b><br>1. Glute Bridge <b><br>How to make it harder:</b> Raise one leg, and switch legs after 25 seconds. You can also raise your arms so they're pointing straight up or lift your toes off the ground.<p>2. Swing with Dumbbells <b><br>How to make it harder:</b> Hold the heavier-weight dumbbells as you swing your arms …

Life

Faced with a tough situation? Baron Baptiste says “overcoming” isn’t the way through. Letting it be is.<p>Adults tend to think of Valentine’s Day as a …

Life

From immersion learning in Scotts Valley, California to a holistic getaway at Kripalu, these retreat centers will give you the healthy vacation …

7 Hard-Core Oblique Moves

For better posture, lower-back support, and to avoid back pain, it's important to strengthen and tone your obliques (side abdominal muscles). We've …

Muscle

Skip the Squats and Do These 15 Booty-Sculpting Moves Instead

View On One Page<p>ADVERTISEMENT ()<p>Start Slideshow<p>← Use Arrows Keys →<p>Squats have their place in strength training, but there are plenty of other butt …

Workouts

Women's Health

Tired of your usual gym routine? Us too. So we talked to Stacy Berman, certified trainer and head of Stacy’s Boot Camp in New York City. The result? A six-week workout plan from the new <i>WH</i> book, <i>The Big Book of Exercises</i>. It'll whip you into shape--guaranteed!<p><b>Week 1:</b><br>5-minute warm-up jog or jump</b> …

One-Dumbbell Workout For Total-Body Toning

And for more head-to-toe toning workouts, do yourself a favor and grab a copy of Jen's book, <i>Shape-Up Shortcuts</i>.<p><i>*Video shot, produced, and edited by Jen Weaver,</i> Women's Health <i>associate video editor.</i>

Standing Flat-Abs Workout

<b>1. Dumbbell Side Bend</b> (need two 5- to 10-lbs dumbbells) <b><br>2. Standing Core Stabilization</b> (need one 5- to 10-lbs dumbbell) <b><br>3. Bow Extension</b> (need one 5- to 10-lbs dumbbell) <b><br>4. Reverse Dumbbell Chop</b> (need one 5- to 10-lbs dumbbell)<p>Can't get enough abs exercises? Check out 10 abs exercises better than …

7 Boxing-Inspired Moves That Torch Calories

Exercise 1 Speed Jump Rope<p>This ain't no playground pastime. Up the tempo by taking tiny hops on the balls of your feet, and holding your wrists fairly still so the rope swing originates from your shoulders <b>(A and B)</b>. Go for 90 seconds. Bonus challenge: Add 5 seconds for every time you get caught in …

Lower-Body Exercises from US Olympic Ice Hockey Team Forward Hilary Knight

3 Workout Moves to Sculpt Gold-Medal Legs<p>U.S. Olympic ice hockey team forward Hilary Knight shares her favorite lower-body exercises<p>Bulky hockey gear hides the awesomely sculpted legs of puck-handling athletes, but trust us…they've got 'em! See for yourself as U.S. Olympic ice hockey team forward …

30-Minute Workout: Get Total-Body Toned with this No-Equipment Circuit Workout

Here's how it works: For each exercise, do as many reps as you can in 60 seconds. Make sure you're using perfect form. Doing it right once is better than doing it wrong twice!<p>After you've done one circuit (that's all the moves, back to back), rest for a minute or two to catch your breath. Then …

Strength Training for Runners

Exercise 1 One-Legged Deadlift<p>This slow-burn move builds powerful hamstrings (for tackling those hills) while challenging your balance and increasing your stability. Holding 8- to 10-pound dumbbells, stand tall <b>(A)</b> and shift your weight to one foot. Slowly hinge your upper body forward at your hips, …

5 Minute Fat-Blaster: Crush Calories with This Quick Workout

Whew! Sounds good? You can do this!<p><b>Here are the moves:</b><br>1. Single-Leg Balance and Touch<br>2. Alternating Lateral Lunge<br>3. Alternating Dumbbell Raise<br>4. Reverse Dumbbell Lunge with Curl<br>5. Side-to-Side Hops<p>For more tips, tricks, techniques, and workouts to help you get in shape in the time you have, pick up …