Antibiotics may increase the risk of colon cancer, especially in younger people, U.K. researchers report. “To our knowledge, this is the first study to link antibiotic use with the growing risk of early-onset colon cancer — a...

Most cancer patients have a good immune response to COVID-19 mRNA vaccines, new research shows. Two of the three approved vaccines in the United States — Pfizer and Moderna — are mRNA vaccines. Researchers assessed 131 cancer...

New research finds that countries with more cloudy days tend to have higher colon cancer rates. Lower levels of vitamin D, the “sunshine vitamin,” may be to blame. So, boosting your vitamin D levels through exposure to...

While COVID-19 surged in India, so did the overuse or widespread misuse of antibiotics — risking a future threat of drug-resistant bacteria. Antibiotic sales soared during India’s first wave of COVID, suggesting the drugs were used to...

Sunscreen isn’t just for pool gatherings and beach outings: Using sunscreen every day could reduce your risk of skin cancer, experts say. Daily use of at least an SPF 15 sunscreen can lower your risk of melanoma...

On sizzling hot summer days, it’s important to guard against heat exhaustion and heat stroke, an expert says. “Heat stroke occurs when the core temperature of the body reaches 104 degrees Fahrenheit and changes in our central...

Wearing a mask while you exercise may be uncomfortable, but a new study should reassure gym-goers that it poses no actual health risks. “What we found was, that it is safe to run at peak exercise in...

Racial disparities in breast cancer survival have narrowed in recent years, but Black women with the disease still have double the death rate of white women. That’s according to a study that tracked breast cancer trends in...

Johnson & Johnson announced Thursday that its coronavirus vaccine is effective against the highly contagious Delta variant that brought India to its knees this past spring. The finding will no doubt reassure the 11 million Americans who...

Here’s some of HealthDay’s top stories for Friday, July 2: How much should you worry about the Delta variant? A particularly fast-spreading COVID-19 variant out of India has health authorities in places like Los Angeles advising a...