The positive side effects of alcohol are mainly felt in two systems – cardiovascular and nervous systems. In the cardiovascular system, beer increases good cholesterol – the high-density lipoprotein (HDL), which prevents the hardening of arteries. Additionally, beer contains vitamin B6 that lowers homocysteine levels, thus lowering the chances of having heart failure. On the nervous system, beer numbs the nerves, thus acting as an antidepressant.
In the long term, drinking beer in moderation is associated with reduced risk of all forms of heart conditions by between 30 and 50 percent, including atherosclerosis, heart attack, and coronary heart disease. In the blood system, it reduces the risk of ischemic stroke as it is thought to thin the blood, thus minimizing incidences of clotting. On the gastrointestinal tract, beer is believed to prevent Helicobacter pylori infection.
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