Aspartame’s dangers; how ‘everywhere’ chemicals hurt women; heart attacks in young people

Aspartame’s dangers; how ‘everywhere’ chemicals hurt women; heart attacks…

This week: The rising risks of heart attacks and colon cancer in young people; why a potential carcinogen is in everything we drink; “everywhere chemicals” linked to fibroids; Ozempic’s serious side effects; how to recognize heat illnesses.

PHOTOGRAPH BY SCIENCE SOURCE

More adults under 50 are having heart attacks—and dying from them. Here’s what to watch for.

Research shows that while heart attacks are declining among older adults, they are becoming more prevalent among adults younger than 50—and the outcomes are worse for women. The good news is we know how to prevent them. Here’s what you need to know about the risk factors, common symptoms, and prevention.

WHAT TO WATCH OUT FOR

PHOTOGRAPH BY SCIENCE PHOTO LIBRARY

Why are so many young people getting colon cancer?

Genetics, the microbiome, and low screening rates may be factors in the increase, experts say. Here are risk factors for the disease—and the most common symptoms.

COMMON SYMPTOMS

PHOTOGRAPH BY LONG WEI/VCG VIA GETTY IMAGES

Aspartame has been linked to cancer. Why is it in everything we drink?

The sweetener was approved by the FDA in 1974—but just months later, scientists raised concerns about studies showing brain tumors, convulsions, and developmental disabilities in lab animals. Today, it’s in cereal, sodas, and even your morning coffee. Here’s how an artificial sweetener called aspartame took over the world in spite of long-standing health concerns.

SAFETY CONCERNS

LOW-CALORIE DANGERS: How some artificial sweeteners can increase your risk of weight gain and diabetes +

PHOTOGRAPH COURTESY GETTY IMAGES

How ultra-processed foods feed our addiction to fat, sugar

More than half the food consumed by American adults is ultra-processed—often optimized to hit the body’s fat and sugar sensors to release dopamine.

HOW FAT AND SUGAR AFFECT OUR BRAINS

PHOTOGRAPH BY IMAGE SOURCE, GETTY IMAGES

These chemicals are everywhere. Here’s what they do to a woman’s body.

Phthalates—called “everywhere chemicals”—are found in hundreds of household products, from food packaging to shower curtains, to cosmetics and dietary supplements. Scientists are just beginning to learn how these chemicals are linked to uterine fibroids—non-cancerous tumors that affect millions of women.

HOW A COMMON CHEMICAL HELPS FIBROIDS GROW

OZEMPIC HAS SERIOUS RISKS

PHOTOGRAPH BY IMYSKIN, GETTY IMAGES

The diabetes medication semaglutide—which is sold under different brand names, including Ozempic and Wegovy—has recently become a trendy weight loss treatment. But like every drug, there are downsides—and potentially serious side effects.

WHAT ARE THE SIDE EFFECTS?

WEIGHT LOSS MYTHS: Why BMI isn’t a reliable indicator of your health +

HOW TO SPOT SYMPTOMS OF HEAT STRESS

PHOTOGRAPH BY ATSUSHI TAKETAZU, THE YOMIURI SHIMBUN/AP IMAGES

It doesn’t take long for heat to injure the body, which is why recognizing the signs of heat illness—and knowing the actions one must take—can save lives. From heat rash to heat exhaustion and heat stroke, here’s how to recognize the toll the temperature is taking on your body—and what to do about it.

HOW YOUR BODY HANDLES HEAT

NEW CLUES EMERGE ABOUT CTE

PHOTOGRAPH BY JAYNE KAMIN-ONCEA, GETTY IMAGES

Chronic traumatic encephalopathy, a neurodegenerative disorder caused by multiple concussions or blows to the head, develops over time, with symptoms usually starting in mid-life. It can develop in athletes who compete in contact sports, or in military personnel and victims of domestic violence. Here’s what we’re learning about the early warning signs.

EARLY WARNING SIGNS

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Aspartame’s dangers; how ‘everywhere’ chemicals hurt women; heart attacks in young people

Aspartame’s dangers; how ‘everywhere’ chemicals hurt women; heart attacks…

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