Naturalist definition, a person who studies or is an expert in natural history, especially a zoologist or botanist. See more.
Nighttime leg cramps are a sudden intense pain in the thigh or calf. A cramp is a tight muscle that won't relax. They can be caused by mineral deficiency.
b> Muscle cramps develop when a muscle involuntarily tightens and will not relax, causing sharp, intense pain. ... The main cause of leg cramps is muscle overuse. Other, less common causes of leg cramps include: Dehydration; Muscle strain or injury; Lack of the minerals potassium ... What causes leg cramps at night www.lifescript.com/health/briefs/w/what_causes_leg_cramps_at_night.aspx.