Let’s take some time to talk about macrophage migration inhibitory factor or MIF. It is at play in the immune system and helps regulates the production of protein. It plays a role in the responses caused by autoimmune diseases.  It isn’t know exactly how MIF works with other immune system substances to produce swelling and inflammation, but organisms that are inflamed or swollen as a result of autoimmune diseases, produce more MIF.
And, it seems, MIF also helps sperm to mature and move around. A team at The Feinstein Institute for Medical Research led by Yousef Al-Abed, PhD have finally isolated …read more

Yesterday, I linked to the results of a British study that found women in their late-30 undergoing IVF treatments have a better chance of conceiving if their husbands are under 40. I suggested that it might be time for women to start looking for younger partners.
I was joking. And, according to an article in Slate, I might also be completely wrong. The rate of teen pregnancy in the US is falling dramatically. It could be the right-wing abstinence campaigns, it could be the left-wing dissemination of reliable information about birth control.
Or, it could be that teenage boys are just less …read more