CASI Blog
Peer-reviewed nutrition science, organized by topic and section.
Fully-referenced deep dives, written for practitioners and the science-curious.
Science Update
Hashimoto’s thyroiditis (HT) is an autoimmune condition that primarily affects the thyroid gland. HT is characterized by primary hypothyroidism – a condition where the thyroid does not produce enough thyroid hormones. Several factors, including genetic susceptibility, environmental triggers, and epi
Science Update
Metabolic syndrome (MetS) is a combination of interrelated metabolic challenges characterized by central abdominal obesity (increased waist circumference), dyslipidemia (elevated triglycerides and/or low HDL cholesterol), hypertension (elevated blood pressure), and impaired glucose tolerance (insuli
Research & Education
The human gut microbiome is teeming with trillions of microorganisms that all coexist, including bacteria, yeasts, and viruses. Interestingly, the human body has approximately the same number of human cells as bacterial cells. Researchers are beginning to understand how specific bacteria, their meta
Nutrition Notes
Environmental allergies, such as hay fever, dust mite sensitivity, or mold-related reactions, are on the rise worldwide. For many people, seasonal sniffles and sneezing are not only bothersome but may also indicate deeper immune health imbalances. While prescription or OTC medications are often used
Mitochondrial Function
The skin is the first organ of the body that shows signs of aging, which can manifest as altered skin texture, loss of tone and elasticity, and decreased suppleness. Aging skin is influenced by both external and internal factors, including oxidative stress, mitochondrial dysfunction, and the accumul
Nutraceutical
The herbal supplement industry has experienced a notable surge in demand driven by growing interest in immune support and natural health interventions. According to estimates, U.S. consumers spent approximately $9.6 billion on herbal dietary supplements (HDS) in 2019, and this amount has continued t
Nutrition Notes
Erectile dysfunction (ED) is frequently perceived as a men’s sexual health concern. However, the physiological incapacity to achieve and sustain an erection serves as a profound indicator of underlying systemic health issues, particularly those related to cardiovascular and metabolic health. Current
Cardiovascular Health
Data collected between 2017 and March 2020 from the National Health and Nutrition Examination Survey (NHANES) reported that approximately half of the United States population has taken at least one prescription drug in the past 30 days. A look into the most prescribed medications in the United State
Nutrition Notes
Cellular senescence is an important biological process associated with age-related diseases (ARD). It is marked by the buildup of senescent cells that ha
Amino Acids
Peptides are growing in popularity among health and fitness individuals who are committed to staying proactive about their wellness and physical performance. Bioactive peptides have specific biological actions that positively affect living organisms. They primarily consist of fewer than 50 amino aci
Immune Support
Phytonutrients (also called phytochemicals) are naturally occurring compounds found in plants (fruits, vegetables, herbs, and spices). Although they may not be considered essential nutrients, phytonutrients play an important role and work synergistically with vitamins and minerals to support antioxi