Markham Heid
TIME.com
Philadelphia, PA, United States
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Recent articles by Markham:
Vaping May Be Worse for Heart Health Than Tobacco Cigarettes, New Study Finds
A small trial found that after exercise, blood flow increased in the hearts of tobacco smokers, but not in the hearts of e-cig smokers. → Read More
How to Help Your Body Adjust to Colder Weather
Fall is here, and the mercury is falling in thermostats across the northern hemisphere. The good news: Not only will your body acclimate to the... → Read More
Are Time-Outs Harmful to Kids? The Latest Research Says Otherwise
Most experts recommend "time-ins" instead of time-outs as a discipline practice for kids, but the science doesn't necessarily back that up. → Read More
Is Melatonin Safe to Take Every Night?
Sure—probably. But read the fine print. → Read More
Is Wine Really Healthier Than Beer?
Conventional wisdom says red wine is healthier than other alcoholic beverages. But recent research suggests beer may have gotten a bad rap. → Read More
How Wearing Sunglasses Actually Impacts Your Eyes, According to Science
How to choose a pair of shades that will actually protect your eyes from ultraviolet radiation. → Read More
How to Avoid Vehicle Pollution When You’re Stuck in Traffic
It isn't as simple as just rolling up your window. → Read More
The Best Sports and Exercises to Avoid Injury
Obviously, it's important to exercise. But some sports and exercise regimes carry a greater risk of injury than others. → Read More
Is Sugar as Bad for Kids as It Is for Adults?
It seems like kids can eat sugar all day without feeling any impact. But can their bodies withstand the negative health impacts it causes in adults? → Read More
Why You Should Always Wash New Clothes Before Wearing Them
The chemicals used in manufacturing clothing—especially workout gear—are potentially bad for your skin. Good news: some can be washed off. → Read More
Does Listening to Music Stimulate Creative Thinking, or Stifle It?
In some cases, listening to music while you work stimulates creativity. In others, it's the exact opposite. → Read More
The Best Gins You Can Buy for Less Than $50
Cocktail expert John McCarthy, author of Be Your Own Bartender, ranked the 7 best gins available to purchase right now for less than $50. → Read More
Are Paint Fumes a Health Concern? Here's What the Latest Science Says
New research raises concerns about potential health risks from common paint chemicals, especially for pregnant women. Here's what to know. → Read More
What the Science Really Says About Grilled Meat and Cancer Risk
The research on charred meat’s cancer risks is much less clear than many believe. → Read More
Can Wearing a Hat Contribute to Baldness?
Take off that hat. It will make you bald. It’s the sort of thing an opinionated grandparent might tell a grandchild wearing a hat indoors,... → Read More
The Science Behind Fever Dreams
There are reasons that your dreams are so strange and intense when you're trying to sleep off a fever. → Read More
Why Not Everyone Should Sleep with a White Noise Machine
Sleep sound machines—producing white, pink, or brown noise—can be indispensable for some. But the science shows they aren't for everyone. → Read More
Your Bottled Water Probably Has Plastic In It. Should You Worry?
Research shows that many major bottled water brands contain plastic particles. But microplastics show up in other surprising places, too. → Read More
Experts Say 'How Much' is the Wrong Way to Assess Screen Time
Way back in the late 1990s—not long after home Internet use became widespread in the U.S.—researchers started turning up links between time spent on computers... → Read More
Your Bottled Water Probably Has Plastic In It. Should You Worry?
Research shows that many major bottled water brands contain plastic particles. But microplastics show up in other surprising places, too. → Read More