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: డాక్టర్ శ్రీనివాసరావు వేపచేదు | डॉक्टर श्रीनिवासरावु वेपचेदु | Dr. Sreenivasarao Vepachedu[1]

 

ALCOHOL, A DOUBLE-EDGED SWORD

 

There has been a spate of research that encourages moderate alcohol drinking.  But these studies do not provide us with the adverse effects of alcoholism. It is important to know the bad side effects of a drug before we use it for the beneficial effects. However, researchers report that alcohol itself, however, was not the key. Instead, the plant-derived hops that give beer its bitterness could be responsible. In the experiments, extractions of hops inhibited the effects of one HA type. The effect of hops on the finished beer varies by type and use. Bittering hops have higher concentrations of alpha acids than that of aroma hops.  Hops also contain beta acids or lupulones[2], terpenes, and flavonoids.  Terpenes in hops include myrcene, humulene and caryophyllene. Flavonoid in hops include xanthohumol, and prenylflavonoids such as 8-prenylnaringenin and isoxanthohumol.   

 

“Moderate alcohol consumption may have important health benefits in terms of reducing the risk of ischemic stroke [i.e., they may not have important health benefits]," concludes a team of researchers3. Previous studies have suggested that alcohol protects against heart disease by helping to raise blood levels of High Density Lipoprotein (HDL). However, the Japanese investigators found no such association in their study. But the authors also note that "heavy drinking (five or more drinks per day) was associated with (a 37%) increased risk of stroke." And they say the consumption of seven or more drinks per day pushed stroke risk to a level more than triple that of abstainers.

 

The so-called benefits claimed for alcohol are essentially due to the presence of plant derived antioxidants and hops. Resveratrol is part of a group of compounds called polyphenols. They’re thought to act like antioxidants, protecting the body against damage that can put you at higher risk for things like cancer and heart disease. It is in the skin of red grapes, and as a result, it is found in wine. Resveratrol is found in grapes, wine, grape juice, peanuts, cocoa, and berries of Vaccinium species, including blueberries, bilberries, and cranberries.  Resveratrol activates the SIRT1 gene that protects the body against the effects of obesity and the diseases of aging.

Dr. Gregory N. Larkin4 advices: Alcohol has been a societal libation for centuries rendering both benefits and trauma to those who drink it. The definition of what constitutes a drink is beer = 12 ozs., wine = 5 ozs., 80 proof distilled spirits =1.5 ozs.  Following are some characteristics and guidelines regarding alcohol effects: The risks of liver damage (cirrhosis), pancreatitis and certain types of cancers (mouth, liver, throat, larynx and the esophagus). Long-term heavy consumption can also cause loss of appetite, vitamin deficiencies, stomach problems, skin problems, sexual impotence, obesity, and heart, central-nervous-system and psychological disorders. Heavy drinking also increases death from automobile and recreational accidents, harmful fetal development, and the incidence of homicide and suicide.

When to abstain from drinking alcohol:

·         if you have not started yet

·         if you are pregnant or anticipate pregnancy

·         if you have medical conditions like liver disease or ulcers

·         if you have a family history of alcoholism

·         if you are taking medications that interact with alcohol

·         if you anticipate activities that require alertness 

 

 

REFERENCES AND NOTES

[1] డాక్టర్ శ్రీనివాసరావు వేపచేదు | डॉक्टर श्रीनिवासरावु वेपचेदु | Dr. Sreenivasarao Vepachedu https://www.linkedin.com/in/vepachedu/

2 Arimoto-Kobayashi et al., Inhibitory effects of beer and other alcoholic beverages on mutagenesis and DNA adduct formation induced by several carcinogens, Journal Agricultural Food Chemistry 47, 221 – 230 (1999).  https://pubs.acs.org/doi/pdf/10.1021/jf980685a 

Abstract: The possibility that beer and other alcoholic beverages could be antimutagenic against the heterocyclic amines (HAs), a group of carcinogens produced on cooking proteinaceous foods, has been explored. In the Salmonella mutation assays, beer showed inhibitory effects against several HAs [preactivated Trp-P-1, Trp-P-2(NHOH), and Glu-P-1(NHOH)] that are directly mutagenic in bacteria. Japanese sake, red and white wines, and brandy were also effective. However, ethyl alcohol alone did not show these effects. The formation of O6-methylguanine by N-methyl-N‘-nitro-N-nitrosoguanidine in the DNA of Salmonella YG7108 was also inhibited by beer. Nonvolatile beer components were administered orally to CDF1 mice together with Trp-P-2. Adducts in the liver DNA were significantly decreased by the beer, as compared to those in controls fed Trp-P-2 only. Although several phenolic compounds known to be present in beer were antimutagenic toward these mutagens, their effects were very small. It was concluded that some yet to be identified component(s) of beer is (are) responsible for this antimutagenicity.

Antioxidative  activity of  hop  bitter  acids  and  their  analogue  has  a  cancer  preventive  effect  since  they  can block free radicals which cause oxidation of the DNA in the body Stevens et al., Fate of xanthohumol and related prenylflavonoids from hops to beer, J Agric Food Chem. 47(6):2421-8 (1999). https://www.ncbi.nlm.nih.gov/pubmed/10794646

Miranda et al., Prenylflavonoids from Hops Inhibit the Metabolic Activation of the Carcinogenic Heterocyclic Amine 2-Amino-3-methylimidazo[4,5-f]quinoline, Mediated by cDNA-Expressed Human CYP1A2, Drug Metabolism and Disposition, 28 (11) 1297-1302 (2000). http://dmd.aspetjournals.org/content/28/11/1297

[3] The Protective Effect of Moderate Alcohol Consumption https://pdfs.semanticscholar.org/8c02/753c18c1ed86e75d0c6b4c4933c6f597a528.pdf

[4] Dr. Gregory N. Larkin, MD, Director of Corporate Health Services, Eli Lilly and Company, 1999 https://www.science.gov/topicpages/r/reduce+alcohol-related+harm.html

Have a possible problem with alcohol usage? 

Discuss your concern with your doctor and get help from support groups like Alcoholics Anonymous. Here are some web sites that might be helpful: 

Alcoholics Anonymous 

https://static.psycom.net/wp-content/uploads/2016/01/4463698614_19c5c7428f_o-1280x429.jpgCouncil of Alcoholism and Drug Dependence 

Substance Abuse and Mental Health Services 

National Institute of Alcohol Abuse and Alcoholism 

Economic Costs

Alcohol Abuse Amongst The Elderly: A Complete Guide

Alcoholism and Alcohol Abuse

Alcoholism Addiction Treatment

Alcohol Addiction (Drugrehab)

Alcohol Addiction (Healthline)

Alcohol Addiction and Abuse

Alcohol Abuse (Drugabuse)

Alcohol Abuse and Alcoholism

Alcohol Use Disorder (Medline)

Drug & Alcohol Addiction Treatment

 

 

Published December 1999 © డాక్టర్ శ్రీనివాసరావు వేపచేదు | डॉक्टर श्रीनिवासरावु वेपचेदु | Dr. Sreenivasarao Vepachedu

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