|
|
The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."
Women are 50% to 75% more likely than men to experience an adverse drug reaction.
Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.
As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.
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.
![Some mangrove islands in the Florida Keys, which number in the thousands, are convenient places to t](https://biology-forums.com/gallery/47/medium_33_19_02_12_5_42_32_20702454.jpeg)
![Risks of infectious disease increase in (a) high-density agricultural populations compared to (b) lo](https://biology-forums.com/gallery/47/medium_273688_23_02_15_7_45_13_208671102.jpeg)
![Model of a sequential study in which two cohorts were followed beginning at age 20. One cohort was f](https://biology-forums.com/gallery/47/medium_6_31_05_15_8_20_42_21974458.jpeg)
![HIV-positive men with a high number of life stressors progress more quickly to AIDS than those with ...](https://biology-forums.com/gallery/27/medium_660366_08_04_17_10_05_18_27553475.jpeg)