A single hair can give a lot of information about you. The hair on your head grows 2-6 years before falling out. Many tiny blood vessels feed the base of each strand. During that time, your hair shaft ...

A semen analysis can help your doctor diagnose fertility issues. A sample is looked at under a microscope to see how many sperm cells it contains, how they're shaped, and how well they move. (Photo ...

Proceeding from the discovery of a genetic association signal to mechanistic insight into human biology should be much easier for alleles with a clear functional consequence, including nonsynonymous, ...

MANOVA is a statistical test that extends the scope of the more commonly used ANOVA, that allows differences between three or more independent groups of explanatory (independent or predictor) ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...

A semen analysis is usually the first male fertility evaluation we do in the fertility assessment process. Getting a semen analysis may seem intimidating for many men and their partners, but there’s ...