Tom Cruise and Ana de Armas were spotted together at in the UK on April 13 after a trip to Madrid. According to TMZ, the two arrived at the Farnborough Airport together. Cruise exited the chopper ...

An endocrinologist and a dermatologist share why hair texture changes, and what—if anything—you can do about it.

Natural products are small molecules produced naturally by any organism including primary and secondary metabolites. They include very small molecules, such as urea, and complex structures ...