I heard that iPS cells can be used to make some human organs. If we make young organs using regenerative medical techniques and replace aging organs with them, can we live forever?

Is it possible to create a genetically modified virus to carry a custom genetic payload, that could express protiens that the host is unable to make themselves? For example, could a virus be created to carry the genetic code to express the insulin protein for diabetics, or Serotonin for Parkinso...

Are there "good kinds" of pain? Pain is usually bad, but are some kinds of pain "good" compared to others? I got this idea from a House episode -- season 2's "Euphoria". Foreman's father visits Foreman and asks if he is in pain. Foreman responds, "it's the good kind". I have been wondering what...

Topical heparins are widely used in Europe for the prevention and treatment of local symptoms associated with peripheral vascular disorders. Why is this not used in the USA? Why is it not sold? What if a patient is interested in using this?

I've noticed that after I've exercised for at least an hour, I have these very small skin bubbles that appear on me, mostly on my arms. It appears to be harmless, as I just scratch at it and it pops similar to bubble wrap. I was wondering how the air gets trapped under there, and if there are ser...