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E-Newsletter • February 2026 |
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Editor's E-Note
Hydration for the Win
Nutrition interventions can be small but mighty. In this month’s E-News Exclusive, we highlight new research on the impressive role of hydration in blunting cellular aging, including reducing risk for CVD. A commonly underestimated area of nutrition support, achieving consistent adequate hydration may be one of the easiest ways to invest in future health.
After reading the article, visit TD’s website at www.TodaysDietitian.com to read the digital edition of our January/February issue, featuring our clinically-focused cover story, “Nutrition Therapy for Chronic Critical Illness.” You’ll also find features on meal planning for autism and ADHD, the lesser-known area of dietetic practice with prison re-entry populations, and an exciting edition of our Great Debates series tackling the topic of metabolic health and weight.
Please enjoy the E-Newsletter and give us your feedback at TDeditor@gvpub.com, and don’t forget to like us on Facebook and follow us on X, formerly known as Twitter.
— Heather Davis, MS, RDN, LDN, editor |
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| In This E-Newsletter
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Hydration, Heart Health, and Aging Well
By Heather Davis, MS, RDN, LDN
Hiding in plain sight, the importance of hydration is often underestimated. For some, reaching for an expensive supplement claiming to enhance cardiovascular health and blunt cellular aging may seem like a more compelling option—with or without supporting evidence—than simply increasing daily water intake. But what if one of the most effective ways to support cardiometabolic health through the lifespan was also one of the most accessible? With the help of new research, it’s time to get back to basics and appreciate all that hydration brings to the table.
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The human body is composed of roughly 60% water—a vital component for biochemical reactions, cellular structure, and physiological function. While short-term consequences of dehydration like fatigue, headaches, dizziness, and impaired cognition are well known, researchers have begun to illuminate potential long-term impacts of hydration status on aging, chronic disease, and mortality. Crucially, the concentration of sodium in the blood—often indicative of hydration levels—appears to correlate with biological aging and the risk of developing chronic illnesses.1
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A Link Between Sugary Drinks and Anxiety in Adolescents
A new study has identified an association between consumption of drinks containing a high amount of sugar and anxiety symptoms in adolescents. Researchers at Bournemouth University were part of a team involved in reviewing the findings of multiple studies investigating diet and mental health to establish common findings.
Their results have been published in the Journal of Human Nutrition and Dietetics.
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Eleven Genetic Variants Affect Gut Microbiome
In two new studies on 28,000 individuals, researchers can show that genetic variants in 11 regions of the human genome have a clear influence on which bacteria are in the gut and what they do there. Only two genetic regions were previously known. Some of the new genetic variants can be linked to an increased risk of gluten intolerance, hemorrhoids, and CVD.
The gut microbiome has become a hot research area in recent years because of its significant role in health and disease. However, the extent to which genes determine which bacteria are present in the gut has been unclear. Until now, it has only been possible to link a few genetic variants to the composition of the gut microbiome with certainty.
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CPE Monthly
In the January/February issue of Today’s Dietitian, learn about the research related to time-restricted eating in oncology care. Read the CPE Monthly article, take the 10-question online test at CE.TodaysDietitian.com/CPEmonthly, and earn two CPEUs!
Upcoming Webinars and Coupons
From food is medicine to bipolar disorder and ageism, the Today’s Dietitian CE Learning Library has a webinar for everyone. Check out our full list of upcoming live and recorded webinar offerings here.
For a limited time, save 25% on the Menopause Bundle (4.5 CEUs!) when you register for Midlife Unlocked: Understanding Women's Hormones and Health. Put the webinar and the bundle in your shopping cart and use coupon code 25MIDLIFE25 to redeem your discount!
2026 Spring Symposium
Advance your practice and connect with leaders shaping the future of nutrition at the 2026 Today’s Dietitian Spring Symposium. This multi-day experience delivers practical, evidence-based education alongside dynamic networking and entertaining special events. All in sun-filled Orlando this May.
Secure your spot today.
Registration rates will increase April 1—register now to beat the price increase!
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Did you miss the 2025 Spring Symposium? Don’t worry! We have you covered with our Recorded Spring Symposia Packages. Pick and choose the sessions you want and create your own Symposium adventure. Choose from 5, 10, or 15 sessions. |
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In the March/April Issue
• The Fight for Fair Wages
• The Stone-Smart Diet
• A New Consensus on Nutrition Therapy for IBD
• TD10 |
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COVER STORY
Nutrition Therapy for Chronic Critical Illness
Postintensive care syndrome may occur in some patients who survive the initial illness which precipitated their ICU stay but continue to require intensive medical care and rehabilitation. Learn about symptoms and management considerations for this vulnerable group.
FEATURE
Great Debates: Metabolic Health and Weight
The concepts of “metabolically healthy obesity” and “metabolically unhealthy normal weight” continue to show up in discussions about weight and health. Explore the controversy, including how they fit into the larger conversation about weight inclusivity, evidence-based care, and reducing long-term risk for cardiometabolic diseases such as diabetes and CVD.
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