SA Special Editions

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

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

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

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

Gentle nasal spray vaccines against COVID, the flu and RSV are coming. They may work better than shots in the arm

New drugs called antibody-drug conjugates help patients with cancers that used to be beyond treatment

Experts say the strongest scientific studies identify three compounds that fight disease and inflammation

The effects of sex hormones, X chromosomes and different gut microbes may be parts of the answer

When these energy-giving organelles thrive, so do we

The healing potential of the brain’s most interconnected nerve intrigues researchers

Decades of failed attempts have given way to several successful vaccines and treatments for the respiratory disease RSV