Progesterone (pregn-4-ene-3,20-dione; abbreviated as P4) is an endogenous steroid hormone involved in the menstrual cycle, pregnancy, and embryogenesis of humans and other species. It belongs...

In nutrition, diet is the sum of food consumed by a person or other organism. Dietary habits are the habitual decisions an individual or culture...

The human body includes the entire structure of a human being and comprises a head, neck, trunk (which includes the thorax and abdomen), arms and...

Fatigue (also called exhaustion, tiredness, languidness, languor, lassitude, and listlessness) is a subjective feeling of tiredness which is distinct from weakness, and has a gradual...

Within the framework of the World Health Organization’s (WHO) definition of health as a state of complete physical, mental and social well-being, and not merely...

Libido , and colloquially sex drive, is a person’s overall sexual drive or desire for sexual activity. Sex drive is determined by biological, psychological, and...

Oestrogens or estrogens (see spelling differences) are a group of compounds named for their importance in both menstrual and estrous reproductive cycles. They are the...

Sleep hyperhidrosis, more commonly known as the night sweats, is the occurrence of excessive sweating (hyperhidrosis and focal hyperhidrosis) during sleep. The sufferer may or...

Hypogonadism is a medical term which describes a diminished functional activity of the gonads – the testes and ovaries in males and females, respectively –...