|
|
Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.
Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.
A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.
Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.
According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.
![Historian James Merrell notes several errors in Benjamin West’s famous 1771 painting, William Penn’s](https://biology-forums.com/gallery/47/medium_374628_15_08_15_11_40_28_222192176.jpeg)
![In Charles Russell’s Trail of the Iron Horse (1910) steel rails stretch nearly to the sun while wisp](https://biology-forums.com/gallery/47/medium_376063_22_08_15_11_31_02_223721954.jpeg)
![In 1879 an army officer founded the Carlisle School in Pennsylvania to “civilize” young Indians. The](https://biology-forums.com/gallery/47/medium_376063_22_08_15_11_31_03_223782117.jpeg)