Subconjunctival Hemorrhage

I woke up 5 days ago with what looks like a little "burst" vein in my left eye. Since yesterday it has become much worse and has spread out to the left side of my eye. Now half my eye looks blood shot. Could this be because I am taking a beta blocker?

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Recovery Time After Flu

I'm just recovering from the flu and am wondering how quickly I can safely get back to my workouts. I've read that doing too much too soon can increase the risk of heart infections. What is "too much, too soon" in this case?

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Feeling Faint after Light Exercise

At times after walking for about a half-hour in the morning I feel faint. However, when I steady myself I feel OK again. The same thing happens when I kneel down for a short time. What could be the cause, and how can I prevent it?

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