
Can sunlight cure disease?
Sunshine may hold healing rays for a variety of autoimmune diseases such as multiple sclerosis. Scientists are turning this surprising discovery into treatments

Illustration by Pete Ryan
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Can sunlight cure disease?
Sunshine may hold healing rays for a variety of autoimmune diseases such as multiple sclerosis. Scientists are turning this surprising discovery into treatments

Can peanut allergies be cured?
Remarkable new treatments can free millions of kids and adults from the deadly threat of peanut allergy, tackling one of our fastest-growing medical problems

How much vitamin D do you need to stay healthy?
Most people naturally have good vitamin D levels. Overhyped claims that the compound helps to fight diseases from cancer to depression aren’t borne out by recent research

Personalized mRNA vaccines will revolutionize cancer treatment—if funding cuts don’t doom them
Vaccines based on mRNA can be tailored to target a cancer patient’s unique tumor mutations. But crumbling support for cancer and mRNA vaccine research has endangered this promising therapy

New nasal vaccines offer better protection from COVID and flu—no needle needed
Gentle nasal spray vaccines against COVID, the flu and RSV are coming. They may work better than shots in the arm

These cancers were beyond treatment—but might not be anymore
New drugs called antibody-drug conjugates help patients with cancers that used to be beyond treatment

Which anti-inflammatory supplements actually work?
Experts say the strongest scientific studies identify three compounds that fight disease and inflammation

Why nearly 80 percent of autoimmune sufferers are female
The effects of sex hormones, X chromosomes and different gut microbes may be parts of the answer

Mitochondria are more than powerhouses—they’re the motherboard of the cell
When these energy-giving organelles thrive, so do we

The vagus nerve’s mysterious role in mental health untangled
The healing potential of the brain’s most interconnected nerve intrigues researchers

RSV vaccines are finally here after decades of false starts
Decades of failed attempts have given way to several successful vaccines and treatments for the respiratory disease RSV