Nutrition News

Atkins-Style Diet May Improve Brain Function and Memory in Older Adults

Diet that restricts glucose may help brain function. Image credit: Cattalin.
Jul 2, 2019 by News Staff

A modified Atkins diet (very low carbohydrates and extra fat) may improve brain function and episodic memory, according to a small study of 14 older adults with mild cognitive problems suggestive of early Alzheimer’s disease. Diet that restricts glucose may help brain function. Image credit: Cattalin. “Typically, the brain uses the sugar glucose — a product of carbohydrate breakdown — as a primary fuel,” said Professor Jason Brandt,...

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The study sheds new light on the link between sleep deprivation and obesity. Image credit: Sweet Briar College.

Study: People Who Sleep Less Than Seven Hours Show Lower Intakes of Micro- and Macronutrients

Jun 10, 2019 by News Staff

In a new study, a team of researchers from Pharmavite LLC and Nutrition Impact LLC found that people who got fewer than seven hours of sleep per night...

Moderate to heavy coffee consumption is not associated with having stiffer arteries. Image credit: Katie175.

Study: Moderate to Heavy Coffee Consumption Doesn’t Increase Arterial Stiffness

Jun 5, 2019 by News Staff

Arteries carry blood containing oxygen and nutrients from your heart to the rest of your body. If they become stiff, it can increase the workload on the...

A daily intake of one cup of blueberries improved endothelial function, systemic arterial stiffness and attenuated cyclic guanosine monophosphate concentrations. Image credit: Heidelbergerin.

Eating Blueberries Daily Reduces Risk of Cardiovascular Disease: Study

Jun 4, 2019 by News Staff

Eating one cup (150 g) of blueberries daily reduces the risk of cardiovascular disease by up to 15%, according to a new study. A daily intake of one cup...

Hegde et al, feeding rats coffee and also mixing it with gut bacteria in Petri dishes, found that coffee suppressed bacteria and increased muscle motility. Image credit: Free Photos.

Coffee Suppresses Gut Microbiome, Improves Ability of Intestine to Contract: Study

May 21, 2019 by News Staff

New experiments, performed in vitro on bacterial cultures and in vivo in rats, show that coffee — regardless of caffeine content — inhibits...

Eating 200 g of blueberries every day for a month can lead to an improvement in blood vessel function and a decrease in systolic blood pressure in healthy people. Image credit: Free-Photos.

Blueberry Anthocyanins May Reduce Blood Pressure

May 16, 2019 by News Staff

Compounds in blueberries may help to improve blood vessel function and reduce systolic blood pressure, according to a new study published in the Journals...

Regular coffee consumers can sniff out even small amounts of coffee and are faster at recognizing the aroma. Image credit: StockSnap.

Regular Coffee Drinkers Have Higher Sensitivity to Coffee Odor, Study Says

May 15, 2019 by News Staff

In a study published in the journal Experimental and Clinical Psychopharmacology, a team of researchers found that habitual coffee consumers were more...

TiO2 triggers biofilm formation by commensal bacteria: (A, B) the clustering effect of TiO2 on (A) E. coli and (B) E. faecalis in vitro was visualized by Nanolive imaging in the presence of 0, 0.5, 1, or 50 μg/ml TiO2 after 24 h incubation. False-coloring was applied to images based on refractive index, where black represents the refractive index of TiO2 and green represents bacteria. Image credit: Pinget et al, doi: 10.3389/fnut.2019.00057.

Food Additive E171 May Impact Human Health

May 15, 2019 by News Staff

E171, a mixture of micro- and nano-sized particles of titanium dioxide (TiO2), is commonly used in high quantities in foods and some medicines as a whitening...

Replacing saturated fatty acids with 57 to 99 g/day of walnuts for 6 weeks reduced central diastolic blood pressure compared with a diet similarly low in saturated fatty acids but with lower alpha-linolenic acid content. Image credit: He Lee.

Walnuts May Help Improve Central Blood Pressure in People at Risk for Cardiovascular Disease

May 14, 2019 by News Staff

Walnuts are a rich source of polyunsaturated fatty acids, including alpha-linolenic acid and the linoleic acid, and contain a proportionally greater quantity...

Shively et al aimed to determine the effects of humanlike Western and Mediterranean diets on caloric intake, obesity, metabolism, and hepatosteatosis in an established nonhuman primate model of obesity. Image credit: Moira Nazzari.

Mediterranean Diet May Protect against Overeating and NAFLD

Apr 24, 2019 by News Staff

In a study on crab-eating macaques (Macaca fascicularis), a team of researchers at Wake Forest University found that the primates on a humanlike Mediterranean...

tBHQ, at a dose relevant to human diet, impairs the primary and memory immune responses to influenza infection. Image credit: C. S. Goldsmith & A. Balish / CDC.

Widely-Used Food Additive E319 Impairs Immune Responses to Influenza Infection

Apr 8, 2019 by News Staff

A common food additive called tert-butylhydroquinone (E319) suppresses the immune response the body mounts when fighting the flu; it also reduces the effectiveness...

Exposure to coffee-related cues increases arousal.

Just Looking at Things that Remind Us of Coffee Can Arouse Our Minds

Apr 1, 2019 by News Staff

Coffee and tea are two beverages commonly-consumed around the world. In Western societies, coffee is associated with greater arousal than tea. According...

Consumption of sugar-sweetened beverages was positively associated with mortality primarily through cardiovascular disease mortality and showed a graded association with dose. Image credit: Raw Pixel.

Sugar-Sweetened Beverages May Be Associated with Increased Risk of Mortality

Mar 27, 2019 by News Staff

Frequently drinking sugar-sweetened beverages (carbonated and noncarbonated soft drinks, fruit drinks, energy drinks, and sports drinks) was associated...

Green tea polyphenols have the potential to improve skeletal muscle metabolism in obese mice by improving glucose homeostasis, reducing lipid peroxidation, and increasing rate limiting enzymes of oxidative phosphorylation. Image credit: Andi Ketaren.

Green Tea Consumption Improves Metabolism, Overall Health in Obese Mice: Study

Mar 19, 2019 by News Staff

In a study published in the Journal of Nutritional Biochemistry, mice fed a diet of 2% green tea extract fared far better than those that ate a diet without...

Consuming walnuts may be associated with a lower prevalence and frequency of depression symptoms among American adults. Image credit: Alicja.

Walnut Consumption May Lower Risk of Depression

Feb 8, 2019 by News Staff

In an epidemiological study using data on walnut consumption and depression from the National Health and Nutrition Examination Survey (NHANES), a team...

Kinouchi et al reveal that fasting affects peripheral circadian clocks in the liver and skeletal muscle. Fasting operates by influencing the circadian clock and fasting-sensitive transcription factors, thereby cooperatively achieving fasting-specific temporal gene regulation. Image credit: Kinouchi et al, doi: 10.1016/j.celrep.2018.11.077.

Study: Fasting Affects Peripheral Circadian Clocks, Improves Overall Health

Jan 17, 2019 by News Staff

Fasting affects peripheral circadian clocks in the liver and skeletal muscle, causing them to rewire their metabolism, which can ultimately lead to improved...

Thanarajah et al combined functional magnetic resonance imaging (fMRI) and positron emission tomography (PET) to assess the brain’s response to food intake and discovered immediate and delayed dopamine release in distinct areas of the human brain; the study authors also identified areas where dopamine release reflected subjective wanting to eat, shedding light on how the brain transforms energetic signals into the desire to eat. Image credit: Thanaraja et al, doi: 10.1016/j.cmet.2018.12.006.

Study: Our Brain Rewards Us Twice Per Meal

Jan 2, 2019 by News Staff

Our brain rewards us for every meal by releasing dopamine, a neurotransmitter that plays a starring role in motivating behavior. According to a new study,...

Ong et al investigated the causal relationship between bitter taste perception and the consumption of coffee, tea and alcohol. Image credit: Tabble.

People with Higher Sensitivity to Bitter Caffeine Taste Drink More Coffee, Study Says

Nov 16, 2018 by News Staff

A new study, published in the journal Scientific Reports, has found that the more sensitive people are to the bitter taste of caffeine, the more coffee...

This study by Leyh et al is one of the first nutrition studies where participants consumed a whole food as opposed to a protein shake or some form of supplement. Image credit: Diana Lavrova.

Pre-Sleep Consumption of Cottage Cheese Supports Metabolism, Muscle Recovery, Study Shows

Oct 29, 2018 by News Staff

A new study published in the British Journal of Nutrition has found that consuming 30 grams of whole-food protein (cottage cheese) about 30 min before...

Kühn et al show that cocoa beans from different growing regions contain vitamin D2.

Cocoa and Chocolate are Rich Dietary Sources of Vitamin D2, Study Shows

Sep 28, 2018 by Natali Anderson

A study carried out by the Martin Luther University Halle-Wittenberg and the Max Rubner-Institut, Germany, shows that cocoa and cocoa-based foods contain...

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