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If all the neurons in the human body were lined up, they would stretch more than 600 miles.
Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.
Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.
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.
One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.
![The wolf spider, Lycosa godeffroyi, is common in many areas of Australia. In this family of spiders,](https://biology-forums.com/gallery/47/medium_27605_22_04_12_6_41_34.jpeg)
![The heavily worn, and sometimes cutmarked, anterior teeth of Neadertals suggest that these teeth wer](https://biology-forums.com/gallery/47/medium_273287_22_02_15_10_32_16_2081617.jpeg)