A cell membrane is illustrated to show the surface in red. Blue objects are proteins, including ion channels, which can send electrical impulses into cells. Lipids, or fats, are in yellow. In this ...

You expect certain hormone-driven symptoms in your 40s and 50s. Hot flashes, mood swings, a lack of sex drive. But high cholesterol? That one tends to fly under the ...

If you want to maintain healthy cholesterol levels, the first step is knowing your numbers and what they actually mean—but at first glance, that can be confusing. A total cholesterol level of 200 ...