Hot, humid weather can cause ankles to swell, according to Doctor Tipster. In hot weather, some parts of the body retain water, which is most noticeable in the ankles and feet. More » Health Pain & Symptoms

Humid, subtropical climates occur where four factors intersect: latitude between 20 and 40 degrees north or south, onshore movement of humid air masses in summer and cyclonic storms in winter. Humid, subtropical climates... More » Science

Since most rainforests are located near the equator, their climate is always hot, wet and humid. Temperatures in tropical rainforests do not change much. The Amazon rainforest generally retains a temperature between 68 t... More » Science Environmental Science
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Causes of an enlarged uterus include pregnancy, uterine fibroids, adenomyosis, pelvic congestion syndrome and contraceptive use, according to WebMD. Uterine cancers such as cervical cancer and endometrial cancer can also... More » Health Pain & Symptoms

Hands may swell during sleep due to dependent edema, which is an increase in fluid in a particular limb of the body. It could also be caused by heart medications, high blood pressure medications and even anti-inflammator... More » Health Pain & Symptoms

A possible reason a person’s hands swell during sleeping hours is carpal tunnel syndrome, according to The symptoms of carpal tunnel syndrome typically occur while sleeping, because regular use of the hand wh... More » Health Pain & Symptoms

Swelling at the submental node is often a sign of disease and can be caused by numerous factors like an infected wisdom tooth, oral cancer, a tooth abscess, oral infections, lymphadenopathy, leukemia, lymphoma, swollen l... More » Health Pain & Symptoms