Jan
  • Member for 8 years, 4 months
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Does a small cup of coffee result in a 45% reduced blood flow to the brain?
103 votes

Yes, caffeine intake can reduce blood flow to the brain, but not likely by 45-52% after a small cup of coffee. Summary In studies, they observed a dose-response relationship between caffeine and a ...

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Does milk make your bones stronger?
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89 votes

A summary of recent evidence suggests: In children with initial low calcium intake, an increase in milk/dairy intake is associated with an increase in bone density. In adults, milk/dairy consumption ...

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Is refined table salt bleached?
17 votes

In short, in the process of refining salt, chemicals, such as barium, calcium hydroxide, sodium carbonate and aluminium chloride, can be used to remove impurities. None of these chemicals are ...

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Can anything be 'more hydrating than water'?
14 votes

Question: Can anything be more hydrating than plain water? Short answer: Yes, fluids that contain certain amount of sugars and sodium can be more hydrating than plain water, which can be beneficial ...

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Are most humans infected with parasites that water fasting can eliminate?
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14 votes

It is NOT TRUE that "most humans are hosts to these parasitic worms called Ascaris lumbricoides (Roundworms)." Ascariasis (CDC.gov, 2018): An estimated 807 million–1.2 billion people in the world ...

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Is Fructose the #1 source of obesity in the United States today?
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14 votes

Question: "Does the evidence support a strong causal relationship between (specifically) fructose consumption and obesity?" My answer: NO. Consideration 1: This question has arisen because of "...

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Is a vegan diet nutritionally complete and suitable for babies?
13 votes

In short: Exclusive breastfeeding, when possible, is the most suitable form of feeding for all healthy infants, including the vegan ones, up to 6 months of age (Vegan Society, World Health ...

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Are vegetables, grains and fruit an important part of a healthy diet?
12 votes

Summary There is some evidence that high consumption of plant foods can be associated with better health but not necessary with increased life expectancy, as observed in studies in vegetarians (Crit ...

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Are the vast majority of vegans Vitamin B12 deficient?
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11 votes

Summary The evidence about the prevalence of vitamin B12 deficiency in vegans comes mainly from this review of studies in EJCN, 2015: The results differed widely (2.4-78%) among studies, but 45% of ...

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Does coffee cause fat and cellulite gain?
10 votes

In most studies, caffeine intake was associated with no significant weight change or a slight weight loss. Caffeine - no weight change 1) Caffeinated Coffee Does Not Acutely Affect Energy Intake, ...

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Does clapping children on the back in certain positions help clear mucus from their lungs?
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10 votes

The claims that clapping (percussion of the chest) as an effective method to remove mucus: in children with acute respiratory diseases and in adults with chronic obstructive pulmonary disease (...

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Do we need to brush our teeth?
10 votes

Summary: A. Using fluoridated toothpaste in both children and adults reduces the risk of dental caries. B. Fluoridated toothpaste increases the risk of dental fluorosis only when children 8 years old ...

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Does drinking distilled water remove needed minerals from your body?
9 votes

In summary: The available evidence suggests: Drinking distilled water in usual amounts in everyday life, which includes regular meals, does not likely remove needed minerals from the human body in ...

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Is Arsenic Essential to Life?
8 votes

It is currently not known if arsenic is essential for humans, but it might be required for the metabolism of the amino acid methionine: A toxic brew we cannot live without. Micronutrients give ...

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Can gluten cause depression?
8 votes

Gluten-free diet and depression in individuals with NON-CELIAC GLUTEN SENSITIVITY Non-celiac gluten sensitivity refers to intestinal and other symptoms related to the ingestion of gluten in the ...

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Do lemons act as bases in the body?
8 votes

In the cited website and video, there is a claim that lemons alkalize the body. This is false. Lemons do not alkalize the body: The pH of lemon juice is 2-2.6, so lemons are acidic, not alkaline. ...

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Is margarine healthier for you than butter?
8 votes

In one 1997 review of 20 studies they compared the effect of margarine and butter on blood cholesterol levels. Replacing butter with margarine with no trans fats reduced total and LDL cholesterol ...

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Is diet soda making older people fat?
7 votes

Diet soda refers to a calorie-free carbonated beverage sweetened by artificial sweeteners. The current evidence does not provide a proof that diet soda causes weight gain, but the main points are: ...

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Does animal protein consumption cause inflammation?
7 votes

The claims, like "meat, dairy, and eggs trigger an inflammatory reaction inside the body" arise from the studies in which they observed increased blood levels of "inflammatory markers," like C-...

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Can you get sufficient protein from a vegan diet?
7 votes

You do not need meat (or even milk or eggs) to get all the protein (with all amino acids required) you need. The Vegetarian Resource Group - Vrg.org: It is easy for a vegan diet to meet ...

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Are cheap tea bags dangerous to your health due to high fluoride levels?
6 votes

Q. 1: Are the findings in the study accurately reflected in the article? In the study, as described on Food Research International: Human exposure assessment of fluoride from tea (Camellia sinensis L....

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Does sunflower oil reduce LDL ("bad") cholesterol more than olive oil?
6 votes

According to the mentioned study review, when used instead of butter, sunflower oil was associated with greater reduction of total and LDL cholesterl than olive oil. No other blood parameters or ...

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Is back pain often caused by unconscious emotional issues, such as rage?
5 votes

Yes, back pain is often caused by unconscious emotional issues. Such pain is called psychosomatic or psychogenic pain; common associated terms include myofascial pain, tension myositis, fibromyalgia ...

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Is lactose intolerance an outdated diagnosis for discomfort after milk ingestion?
5 votes

Summary The estimation of prevalence of lactose intolerance may be too high because of: surveys in which they included individuals with self-diagnosed and not just officially diagnozed lactose ...

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Are fish oil capsules beneficial?
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5 votes

There is insufficient evidence to say that intake of fish oil supplements (high in omega-3 fatty acids DHA and EPA) reduce the risk of heart or other disease. 1) Omega-3 intake for cardiovascular ...

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Does drinking coffee interfere with magnesium absorption?
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5 votes

The Recommended Dietary Allowance for magnesium for adult males is 400 mg (Office of Dietary Supplements at NIH.gov). One cup of coffee has 10 mg of magnesium (USDA.gov), which does not really make it ...

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Are there no naturally blue foods?
5 votes

Oregon grapes or creeping mahonia or Mahonia aquifolium. Sour, but edible. In western North America. Usually to make jelly or pies or to flavor drinks. Description here and here

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Does eating dark chocolate reduce the risk of heart diseases?
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5 votes

In several studies, chocolate consumption was associated with decreased risk of heart disease. Association does not already mean the cause-effect relationship, though. The supposedly beneficial ...

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Can eating too much fibre cause Hemorrhoidal disease (or piles)?
5 votes

According to Medline Plus, a common cause of hemorrhoids is straining during the bowel movements. Straining can be due to constipation. PubMed (A systematic review and meta-analysis) Trials of ...

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When eating carbs, do sugary drinks reduce calorie consumption compared to diet drinks?
4 votes

Q: So, is the claim that you should consume sugary drinks with carb-heavy meals to reduce your calorie consumption when compared to diet drinks credible? In the abstract of the study in Yahoo Style ...

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