|
|
Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.
On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.
Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.
Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).
![Large size can provide a refuge from predators. While young African elephants may be vulnerable to p](https://biology-forums.com/gallery/47/medium_33_17_02_12_5_35_26_19681934.jpeg)
![Patients with physical special needs, such as a wheelchair, need to have this documented in their he](https://biology-forums.com/gallery/47/medium_2137_17_05_12_2_11_15.jpeg)