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Did you know?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

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Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

Did you know?

A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

Genetic control of eye evolution. Genetic control of eye evolution.
Sexual dimorphism in body size and mating system. Sexual dimorphism in body size and mating system.
Acetylcholine receptors and the autonomic nervous system Acetylcholine receptors and the autonomic nervous system
Lymphatic system. Lymphatic system.
The cardiovascular system. The cardiovascular system.
Chronic disease is caused by a mixture of genetic and environmental influences Chronic disease is caused by a mixture of genetic and environmental influences
Video: Chemical Synapse Animation

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