Tuesday, July 9, 2019

Quitting alcohol may improve mental well-being, health-related quality of life

Quitting alcohol may improve health-related quality of life for women, especially their mental well-being, according to a study from Hong Kong published in CMAJ (Canadian Medical Association Journal).

“More evidence suggests caution in recommending moderate drinking as part of a healthy diet,” says Dr. Michael Ni, School of Public Health and The State Key Laboratory of Brain and Cognitive Science, University of Hong Kong (HKU).

The study carried out by Dr. Xiaoxin Yao, Dr. Michael Ni, Dr. Herbert Pang and colleagues at HKU included 10 386 people from the FAMILY Cohort in Hong Kong who were nondrinkers or moderate drinkers (14 drinks or less per week for men and 7 drinks or less per week for women) between 2009 and 2013. The researchers compared their findings with data from the National Epidemiologic Survey on Alcohol and Related Conditions, a representative survey of 31 079 people conducted by the National Institute on Alcohol Abuse and Alcoholism in the United States.

The mean age of participants in the FAMILY Cohort was 49 years and 56% were women. About 64% of men were nondrinkers (abstainers and former drinkers) and almost 88% of women were nondrinkers. Men and women who were lifetime abstainers had the highest level of mental well-being at the start of the study (baseline). For women who were moderate drinkers and quit drinking, quitting was linked to a favourable change in mental well-being in both Chinese and American study populations. These results were apparent after adjusting for sociodemographic characteristics, body mass index, smoking status, and other factors.

“Global alcohol consumption is expected to continue to increase unless effective strategies are employed,” says Dr. Ni. “Our findings suggest caution in recommendations that moderate drinking could improve health-related quality of life. Instead, quitting drinking may be associated with a more favourable change in mental well-being, approaching the level of lifetime abstainers.”

“Change in moderate alcohol consumption and quality of life: evidence from 2 population-based cohorts” is published July 8, 2019.

Read the complete article at MedicalExpress.com here.

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Monday, July 1, 2019

Why are intelligent people more likely to abuse drugs?

The downsides of drug abuse are so clear that one would imagine smarter folks would stay away from them. The research suggests otherwise.

  • Numerous studies have confirmed the link between intelligence and substance abuse.
  • However, the mechanism for this correlation has been difficult to pin down.
  • Why would more intelligent people who should ostensibly know better practice such a risky habit?

No mathematician has ever published more papers than Paul Erdos. The 20thcentury mathematician was brilliant, eccentric, and prolific, publishing a record 1,525 papers. By the age of four, Erdos could calculate the number of seconds someone had lived if they gave him their age. He contributed to a wide variety of mathematical disciplines, including discrete mathematics, probability theory, Ramsey theory, graph theory, and others. He worked 19-hour days. And he loved amphetamines.

When Ronald Graham, a concerned friend and fellow mathematician, bet him $500 that he couldn’t stay off his drug of choice for a month, Erdos accepted and easily won the challenge. When the 30 days was up, Erdos said to Graham, “You’ve showed me I’m not an addict. But I didn’t get any work done. I’d get up in the morning and stare at a blank piece of paper. I’d have no ideas, just like an ordinary person. You’ve set mathematics back a month.” Erdos resumed taking amphetamines and did so for every day of his life until his death 17 years later.

Numerous studies have documented the relationship between intelligence and substance abuse. This relationship should be a negative one. After all, recreational drugs can damage your health, addiction costs huge amounts of money, and the legal consequences can be dire. But in fact, intelligence and substance abuse have a positive relationship: intelligent individuals are more likely to abuse drugs than less intelligent individuals.

Read the complete article here … 

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