Sometimes it’s easy to tell if something is living or not. A teddy bear might look like a bear, but it cannot do any of the seven things it needs to be able to do to count as being alive. A car can ...

Relative Energy Deficiency in Sport (REDs) was first introduced in 2014 by the International Olympic Committee’s expert writing panel, identifying a syndrome of deleterious health and performance ...

A lab study on crickets has revealed sex differences in how the insects direct their nutritional resources to increase ...

Leonardo DiCaprio's Ex-Agent Said His Name Was ‘Too Ethnic' and It Should Change to Lenny Williams: ‘They're Never Going to ...

As men get older, changes in sexual health and fertility are often expected. For decades, the usual explanation has been a ...

Artificial tissues that mimic the placenta, endometrium, ovary and vagina could point to treatments for common conditions ...

Discover how gut and seminal microbes hold the key to sperm quality, fertility outcomes, and emerging treatments like ...

Right-wingers and gender-critics are hounding the NHS over a diagram showcasing a male pregnancy – except it’s not real. An ...

BACKGROUND: PYGM (muscle glycogen phosphorylase), the rate-limiting enzyme in glycogenolysis, plays an indispensable role in maintaining cardiac energy metabolism. However, the role of PYGM in the ...

Matthew Wosnitzer, MD, is a urologist specializing in male reproductive medicine and surgery at Yale New Haven Health System. Semen is a fluid that carries sperm, or male reproductive cells, out of ...

University of Hawaiʻi at Mānoa scientists have uncovered a direct link between a missing Y chromosome gene and male infertility. Their new research reveals that deleting this single gene in mice not ...