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Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.

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On average, the stomach produces 2 L of hydrochloric acid per day.

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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

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In 1844, Charles Goodyear obtained the first patent for a rubber condom.

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Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.

Sunda Clouded Leopard in lower Kinabatangan River, eastern Sabah, Malaysia Sunda Clouded Leopard in lower Kinabatangan River, eastern Sabah, Malaysia
Common sites of amputation. (A) Upper extremities. (B) Lower extremities. The surgeon determines th Common sites of amputation. (A) Upper extremities. (B) Lower extremities. The surgeon determines th
Apply kneading and deep stroking to lower arm muscles. (A) Knead muscle bellies. (B) Thumb press ... Apply kneading and deep stroking to lower arm muscles. (A) Knead muscle bellies. (B) Thumb press ...
Testing the arterial supply to the lower extremities Testing the arterial supply to the lower extremities
Pitting edema of the lower extremities Pitting edema of the lower extremities
A very thin uniform rod, 2.40 m long and of weight 135 N, has a frictionless hinge at its lower ... A very thin uniform rod, 2.40 m long and of weight 135 N, has a frictionless hinge at its lower ...
Video: Major Elements in Biological Molecules: Nucleic acids

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