|
|
Did you know?
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.
Did you know?
Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
Did you know?
Thyroid conditions may make getting pregnant impossible.
Did you know?
There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.
Did you know?
People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
![The Land Ordinance of 1785 called for surveying and dividing the Western Territories into square mil](https://biology-forums.com/gallery/47/medium_374628_16_08_15_9_46_10_22249558.jpeg)
![A passenger train crosses Stony Creek Bridge in the Rocky Mountains in 1878. Railroads were importan](https://biology-forums.com/gallery/47/medium_27_24_08_15_1_27_03_22389406.jpeg)