Nutrition News

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

Regular coffee consumers can sniff out even small amounts of coffee and are faster at recognizing the aroma. Image credit: StockSnap.
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 sensitive to a coffee odor than non-consumers, which increased with level of caffeine craving. Regular coffee consumers can sniff out even small amounts of coffee and are faster at recognizing the aroma. Image credit: StockSnap. “We wanted to examine if there were any differences in the ability of...

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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...

Dairy consumption was associated with lower risk of mortality and major cardiovascular disease events in a diverse multinational cohort. Image credit: Rita E.

Higher Dairy Consumption Reduces Risk of Cardiovascular Disease

Sep 17, 2018 by News Staff

According to investigators from the Prospective Urban and Rural Epidemiology (PURE) study, dairy intake of around three standard servings per day is associated...

Increasing daily fasting times made mice healthier and live longer compared to mice who ate more frequently. Image credit: Mitchell et al, doi: 10.1016/j.cmet.2018.08.011.

Study: Daily Fasting Improves Health and Longevity in Male Mice

Sep 12, 2018 by News Staff

A new study led by the National Institute on Aging shows that a long daily period of fasting improves the health and survival of male mice, regardless...

Flavor influences diet, but diet may also influence saliva, which in turn may influence flavor. Image credit: Silvia Rita.

Could Saliva Influence What We Like to Eat?

Aug 20, 2018 by News Staff

Saliva is necessary for digestion. It lubricates the throat to make swallowing easier and contains chemicals that break down food. It also assists with...

This study suggests caffeine has weak, transient effects on energy intake and doesn’t support it as an effective appetite suppressant. Image credit: Rita E.

Caffeine Doesn’t Suppress Your Appetite: Study

Aug 2, 2018 by News Staff

A new study led by SUNY University at Buffalo researcher Leah Panek-Shirley found that after drinking a small amount of caffeine, participants consumed...

This study is the first to show that omega-3 supplementation in children can reduce inter-partner psychological aggression among adult caregivers not receiving supplements. Image credit: Steve Buissinne.

Study: Omega-3 Supplementation in Children Could Reduce Psychological Aggression among Adults

Jul 31, 2018 by Enrico de Lazaro

New research by scientists from the University of Massachusetts Lowell and elsewhere shows how omega 3-rich diet can prevent disruptive, even abusive behavior. This...

The quality of diet and food intake has a vital role in AMD. Image credit: Rita E.

Healthy Diet May Lower Risk of Age-Related Macular Degeneration

Jul 6, 2018 by Enrico de Lazaro

Diet may affect individuals’ risks related to the development and progression of age-related macular degeneration, a progressive chronic disease of the...

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