Vitamin D and omega-3 fatty acids are now in the spotlight for their potential ability to prevent disease. Many Americans, especially African Americans, are not getting enough of these nutrients, according to data from national surveys. Both nutrients can be found in fish, some fortified foods, and supplements, while vitamin D can also be produced from sunlight (ultraviolet-B light).

BOSTON, Mass.—Billionaire Warren Buffet, who is nearly 82 years old, announced that he was diagnosed with prostate cancer.

“I discovered the cancer because my PSA level recently jumped beyond its normal elevation and a biopsy seemed warranted,” Buffet explains. Diagnosed with stage 1 prostate cancer, he has chosen radiation treatment five days a week for six weeks.