+Will vitamin D save my life?
There is growing evidence that vitamin D in high doses not only helps to keep bones strong, but also conditions like diabetes and multiple sclerosis.
+Can I trust my tap water?
Sure. Unless you're on a private well, tap water comes from municipal treatment plants that are carefully monitored and better regulated than bottled water. (Some popular brands like Aquafina and)
+Is my microwave giving me cancer?
No. Microwaving doesn't alter food in any way that could make you sick. All a microwave does is spur the water molecules in your food to move, and the friction of those molecules heats up your meal. What's more, there's an easy way to avoid any potential harm—step back when the oven is on.
+How long am I contagious when I have the flu or a cold?
As long as you have symptoms. Your ability to spread these viruses remains until the last sniffle a physician and infectious disease expert at Vanderbilt Medical Center in Nashville. And you're contagious 24 hours before you first show symptoms.
