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  2. 7 hours ago · Nicotine has a variety of effects. Nicotine binds to nicotinic acetylcholine receptors in the central and peripheral nervous system to elicit a variety of physiological responses, for example, a transient increased heart rate and blood pressure. These effects can be influenced by the route of administration, such as via the lungs, mouth, or skin.

  3. 17 minutes ago · Here’s how this affects your heart: 1. Artery blockage: Smoking introduces chemicals like nicotine and carbon monoxide into your system. These villains damage the lining of your arteries ...

  4. 1 day ago · 1,106,000 US residents (1968–2020) [4] A person using an inhalant. Substance abuse, also known as drug abuse, is the use of a drug in amounts or by methods that are harmful to the individual or others. It is a form of substance-related disorder. Differing definitions of drug abuse are used in public health, medical, and criminal justice contexts.

  5. 1 day ago · Prenatal viral infection has been called the principal non-genetic cause of autism. Prenatal exposure to rubella or cytomegalovirus activates the mother's immune response and may greatly increase the risk for autism in mice. [68] Congenital rubella syndrome is the most convincing environmental cause of autism. [69]

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