Oncology & Cancer

Overweight before age 40 increases cancer risk

In an international study, lead by the University of Bergen, the researchers wanted to find out how adult overweight (BMI over 25) and obesity (BMI over 30) increase the risk of different types of cancer.

Health

Q&A: What are seborrheic keratoses?

Dear Mayo Clinic: I have brown spots over the top half of my body, which my doctor says are seborrheic keratoses and are harmless. What causes them, and is there a way to prevent more from appearing?

Medical research

A step toward understanding gastric cancer

Helicobacter pylori infects approximately half of the world's population and is the strongest known risk factor for developing gastric cancer. Gastric cancer is the third most lethal cancer worldwide.

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