A top-down view of bowls filled various high-fiber foods such as rice, corn, seeds, and cereal sitting on a wooden table.
Different Dietary Fibers Affect the Body in Unique Ways
Acting through the microbiome, the fiber arabinoxylan reduces cholesterol in many people, while another fiber, called long-chain inulin, increases inflammation, a study finds.
ABOVE: © ISTOCK.COM, FCAFOTODIGITAL
Different Dietary Fibers Affect the Body in Unique Ways
Different Dietary Fibers Affect the Body in Unique Ways

Acting through the microbiome, the fiber arabinoxylan reduces cholesterol in many people, while another fiber, called long-chain inulin, increases inflammation, a study finds.

Acting through the microbiome, the fiber arabinoxylan reduces cholesterol in many people, while another fiber, called long-chain inulin, increases inflammation, a study finds.

ABOVE: © ISTOCK.COM, FCAFOTODIGITAL

dietary supplement

Ramified cells in a lilac background
Could Vitamin Supplementation Help Alzheimer’s Patients?
Alejandra Manjarrez | Apr 11, 2022
Niacin, a form of vitamin B3 used to treat cardiovascular disease, helps immune cells in the brain fight neurodegenerative diseases such as Alzheimer’s in mice models, according to recent studies. Researchers hope that human clinical trials will swiftly follow.
a DNA helix made of fruits and vegetables
Personalized Nutrition Companies’ Claims Overhyped: Scientists
Shawna Williams | Aug 21, 2019
Services promising scientifically tailored supplements or advice abound. Experts say their claims are largely unfounded, although some solid evidence is beginning to emerge.
pill bottles and pills on a wooden table
FDA Cracks Down on “Bad Actors” in Dietary Supplement Market
Shawna Williams | Feb 12, 2019
The agency sends warning letters to makers of products that claim to prevent or treat Alzheimer’s and other diseases, and announces changes to its enforcement practices.
Hundreds of Supplements Spiked with Pharmaceuticals
Ashley P. Taylor | Oct 14, 2018
FDA does little about it, study finds.
CDC, FDA Warn Against Kratom Use
Jim Daley | Feb 25, 2018
The herbal supplement, deemed an opioid by the FDA, was recently linked to a Salmonella outbreak in 20 states. 
Study: Fish Oil During Pregnancy May Lower Asthma Risk in Children
Ben Andrew Henry | Dec 29, 2016
Pregnant women who took a fish oil supplement during pregnancy were less likely to have children with asthma.
Cysteine Aids Mice with Huntington’s
Kerry Grens | Mar 31, 2014
Rodent models of Huntington’s disease show dysfunctional cysteine production, and adding the amino acid to their diets seems to relieve symptoms.  
Bodybuilders Take Breast Cancer Drug
Jef Akst | Feb 17, 2014
Tamoxifen, an endocrine therapy for women with breast cancer, is found in a supplement marketed to bodybuilders.
Omega-3s: Fishing for a Mechanism
Ethan J. Anderson and David A. Taylor | Nov 1, 2012
Despite abundant evidence supporting their ability to help prevent and treat cardiovascular disease, the therapeutic effectiveness of fish oil–derived fatty acids remains controversial.
Can Magnesium Magnify Brain Power?
Beth Marie Mole | Oct 28, 2012
A magnesium supplement thought to improve brain functioning gets a small clinical trial.
Island Disease
Jef Akst | Aug 1, 2012
People living on islands in the Norwegian Sea suffer from an unusually high rate of certain genetic diseases and health issues, making the population ripe for research.
Polypharmacy
Catherine Ulbricht | Jul 1, 2012
Dietary supplements can have serious side effects when mixed with prescription drugs, but not all herb-drug interactions are bad.
Resveratrol May Not Extend Life
Hayley Dunning | Jun 20, 2012
A new meta-analysis finds that resveratrol, currently marketed as a life-extending health supplement, may have a negligible effect on lifespan in humans.