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July 1, 2022 By Irv Rubenstein

REAL News – July 2022

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REAL News March 2018July 2022

How much do YOU know about Nutrition and Health?

The following questions were asked of physicians in the January 2022 edition of Medscape, an online reference for healthcare providers. See how much YOU know:

1. Which most accurately expresses the results of a study on the risk for stroke and dementia in people who drank coffee and tea?

     a. Reductions in ischemic stroke risk occurred only in individuals who consumed more than one cup of coffee and one cup of tea per day

     b. Drinking both two to three cups of tea and two to three cups of coffee daily was associated with the biggest reduction in ischemic stroke and dementia risk

     c. Individuals who regularly drank both coffee and tea had measurably reduced risk for Alzheimer’s disease.

REAL-News --July -20221

2. A recent observational study examined the effect of olive oil consumption on mortality risk among healthcare professionals. Compared with those who rarely or never consumed olive oil, the cardiovascular disease mortality rates of those who consumed more than 0.5 tbsp per day were approximately how much lower?

     a. 5%

     b. 10%

     c. 15%

     d. 20%

Answers:

  1. B – a British study of over 365,000 people found that 2-3 cups each of coffee and tea per day reduced stroke incidence by 30% and dementia risk by 28%
  2. D – in a study of over 90,000 US healthcare professionals, those with the highest olive oil intake had 19% lower heart disease mortality

Are Omega-3 Fatty Acids Neuroprotective?

The hunt for nutriceuticals runs through the supplement industry. That is, since the 1993 Dietary Supplement Health and Education Act reduced regulatory standards for the dietary supplement industry. Hence, we have a multi-trillion dollar industry that can make all but extreme curative or therapeutic claims while still hinting on the benefits of their products.

Some studies have claimed that omega-3 fatty acids such as those in fatty fish like salmon may have beneficial effects on cardiovascular disease, type 2 diabetes, cancer, Alzheimer’s disease (AD), heart failure, rheumatic arthritis, etc. These claims stemmed from post-WW2 studies showing low rates of heart disease in native communities in Greenland and Alaska, suggesting the high-fatty fish diets are cardio preventive.

REAL-News --July -20222

But, are they neuro- that is, brain-preventive?

In an unpublished review of the literature, a German neurologist found 3 studies for dementia and 6 for AD covering 600 and 800 subjects, and found no benefit to taking omega-3s. As for the prevention and treatment of depression and anxiety disorders, of 31 studies covering more than 50,000 patients, there was no benefit to taking omega-3s.

He grants that those who consume fatty fish or take supplements tend to be of a higher socioeconomic class, have healthier lifestyles, and exercise more regularly…all of which are correlated with healthier brain function. Thus, the sample bias of such large-scale epidemiological studies may not be able to ascertain with certainty the benefits or downsides of omega-3 supplementation.

But, as with most studies on supplements, the answer lies in consuming natural, unprocessed foods vs pills, no matter what the law states.                                                      

Medscape Feb. 2022

Tid Bits

Can mind over matter matter? According to an article in the journal Appetite (Jan. 2022), apparently it does. The researchers gave 37 people identical servings of 2 pasta dishes  on different occasions labeled “light” and “filling.” Those eating the light meal ate a little more of it and even said they felt less full than when they ate the filling meal. The authors caution that those trying to control food intake beware of the marketing labels stores and restaurants use.                                          Harvard Health Letter May 2022

 

A pair of studies presented at the annual meeting of the American Association for Cancer Research offer more evidence that veggies appear to lower the risk of liver cancer/liver disease while red meat increases the risk of gastric cancers. The former study followed over 470,000 middle-age and older subjects over 15+ years. Those in the highest quintile of daily consumption were a third less likely to develop liver cancer vs those in the lowest. Broccoli, cauliflower, beans and carrots rank highly. For meat eaters, the highest consumers had the highest risk – about 25% more than those who ate the least.                                                                   Medscape Apr. 2022

 

Does prehab – an exercise and education routine offered to prospective total knee replacement (TKR) patients  – improve outcomes in the short- (4 days), medium- (6 months) and long-term (12-months.) One group received the standard care – an educational packet and basic exercise advice. The experimental group got the same packet plus4 supervised outpatient sessions of rehab exercises prior to the TKR. The results showed “no evidence that multidisciplinary prehabilitation before TKR…improves short-term functional independence or reduces midterm activity limitations after surgery.” The authors note that only 1/3 of those in the extensive prehab program attended all the sessions, suggesting that such a program could be ‘burdensome’ for those in severe enough pain to warrant TKR.                             JAMA Network Open May 2022

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Filed Under: Real News Tagged With: Alzheimer's disease, diet, Heart Health, neuroprotective, olive oil, omega 3, prehab, slows cognitive decline, total knee replacement

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