|
|
Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.
Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.
Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.
In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.
Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.
![Sivapithecus is a Miocene ape (middle) with anatomical similarities to orangutans (left) rather than](https://biology-forums.com/gallery/47/medium_274477_04_02_15_12_31_04_206112187.jpeg)
![Schematic representation of MHC class I molecule, consisting of 3 α domains and 1 β2-microglobulin ...](https://biology-forums.com/gallery/31/medium_398119_11_07_17_4_50_36_315051108.jpeg)