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Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.
In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.
The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.
More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.
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.
![A histologic slide showing the sponge-like architecture of a patient with Creutzfeldt-Jakob Disease.](https://biology-forums.com/gallery/29/medium_548020_11_05_17_3_50_42_29047222.jpeg)
![Hepatitis B antigens and antibody in an acutely infected patient with recovery. Note the indicators ...](https://biology-forums.com/gallery/31/medium_398119_17_07_17_5_42_59_317922425.jpeg)