At one point in life, your hair may have been one of your favorite physical features-but with aging or menopause, it can suddenly feel unfamiliar. Whether it's dull, brittle, harder to detangle or ...

Algae oil is a plant-based oil derived from algae, plant-like microorganisms that live in aquatic environments. When you think of algae, you might picture the green film that floats in ponds or covers ...

Add Yahoo as a preferred source to see more of our stories on Google. What is blue-green algae? Why can it be harmful to humans or pets? This 1:14-minute video answers these questions.