Search results
Results From The WOW.Com Content Network
Methcathinone binges resemble amphetamine binges in that the user may not sleep or eat, and takes in little in the way of liquids. The methcathinone binge is followed by long periods of sleep, excess eating, long-lasting nosebleeds ( insufflation of methcathinone is corrosive to the nasal mucosa in the same manner as methamphetamine) and, in ...
Cigarette butts can be found in high quantities as litter. It can take 18 months to 10 years for the filter to degrade. [9] Although cigarette litter awareness campaigns [10] encourage smokers to avoid littering and to even carry pocket ashtrays, cigarette butts rank number one on the list of worst litter problems in the U.S. This makes it easy ...
Bisoprolol, sold under the brand name Zebeta among others, is a beta blocker which is selective for the beta-1 receptor [7] and used for cardiovascular diseases, [7] including tachyarrhythmias, high blood pressure, angina, and heart failure.
Nicotine is an addictive substance found most commonly in tobacco and tobacco products including cigarettes, cigars, chewing tobacco, e-cigarette liquid, pipe tobacco, snus, snuff, and nicotine medications such as nicotine gum. Withdrawal is the body’s reaction to not having the nicotine it had become accustomed to.
The LD 50 of nicotine is 50 mg/kg for rats and 3 mg/kg for mice. 0.5–1.0 mg/kg can be a lethal dosage for adult humans, and 0.1 mg/kg for children. [19] [20] However the widely used human LD 50 estimate of 0.5–1.0 mg/kg was questioned in a 2013 review, in light of several documented cases of humans surviving much higher doses; the 2013 review suggests that the lower limit causing fatal ...
Among the 250 known harmful chemicals in tobacco smoke, at least 69 can cause cancer." [7] [2] [8] [9] See: Health effects of tobacco smoking and List of cigarette smoke carcinogens. Although many of these additives are used in making cigarettes, each cigarette does not contain all of these additives.
The consumption of tobacco products and its harmful effects affect both smokers and non-smokers, [9] and is a major risk factor for six of the eight leading causes of deaths in the world, including respiratory diseases, cardiovascular diseases, cerebrovascular diseases, periodontal diseases, teeth decay and loss, over 20 different types or subtypes of cancers, strokes, several debilitating ...
Agonists, e.g. nicotine, can however act as depolarizing agents when encountered to nAChRs for some time (seconds or minutes, depending on concentration and nAChR subtype), chronic exposure to agonist can also lead to long lasting functional deactivation because of rapid and persistent desensitization.