June 20-26, 2014
By Dr. Robert Goldman & Dr. Ronald Klatz
Longevity News and Review provides readers with the latest information in breakthroughs pertaining to the extension of the healthy human lifespan. These news summaries are compiled by the American Academy of Anti-Aging Medicine (A4M; www.worldhealth.net), a non-profit medical society composed of 24,000 physician and scientist members from 110 nations, united in a mission to advance biomedical technologies to detect, prevent, and treat aging related disease and to promote research into methods to retard and optimize the human aging process. Dr. Ronald Klatz, M.D., D.O., A4M President, and Dr. Robert Goldman, M.D., Ph.D., D.O., FAASP, A4M Chairman, physician co-founders of the anti-aging medical movement, distill these headlines and provide their insightful commentary.
Morning Sun Promotes Weight Loss
Phyllis C Zee, from the Northwestern Medicine Sleep and Circadian Rhythms Research Program at Northwestern University Feinberg School of Medicine, and colleagues studied 54 people (26 males, 28 females) with an average age of 30. Participants wore a wrist actigraphy monitor that measured their light exposure and sleep parameters for 7-days in normal-living conditions, and their caloric intake was determined from 7 days of food logs. Results showed that participants who had most of their daily exposure to even moderately bright light in the morning had a significantly lower body mass index (BMI) than those who had most of their light exposure later in the day. “Light is the most potent agent to synchronize your internal body clock that regulates circadian rhythms, which in turn also regulate energy balance,” said Professor Zee. “The message is that you should get more bright light between 8 a.m. and noon. If a person doesn’t get sufficient light at the appropriate time of day, it could de-synchronize your internal body clock, which is known to alter metabolism and can lead to weight gain.” The authors recommend 20-30 minutes of morning exposure to light of at least 500 lux (outdoor light is more than 1,000 lux even on a cloudy day).
Dr. Klatz observes: “This team reports that people exposed to sunlight in the morning have a lower BMI than those who are exposed to light in the afternoon, potentially suggesting a role for sun exposure in weight management.”
CV Exercise in Young Adulthood Preserves Cognitive Function in Middle-Age
David R Jacobs, from the University of Minnesota in Minneapolis, and colleagues studied 2,747 healthy people with an average age of 25 at the start of the study. Participants underwent treadmill tests during the first year of the study and then again 20-years later. Cognitive tests taken 25-years after the start of the study measured verbal memory, psychomotor speed and executive function. At the first test, participants lasted an average of 10-minutes on the treadmill; 20-years later, that number had decreased by an average of 2.9 minutes. After adjusting for other factors such as smoking, diabetes and high cholesterol, results showed that for every additional minute participants completed on the treadmill at the first test, they recalled 0.12 more words correctly on the memory test of 15 words and correctly replaced 0.92 more numbers with meaningless symbols in the test of psychomotor speed 25-years later. Additionally, participants who had smaller decreases in their time completed on the treadmill test 20-years later were more likely to perform better on the executive function test than those who had bigger decreases. “This is one more important study that should remind young adults of the brain health benefits of cardio fitness activities such as running, swimming, biking or cardio fitness classes,” said Dr Jacobs. “Other studies in older individuals have shown that these tests are among the strongest predictors of developing dementia in the future. One study showed that every additional word remembered on the memory test was associated with an 18% decrease in the risk of developing dementia after 10 years.”
Remarks Dr. Goldman: “Regular cardiovascular exercise during young adulthood may help to preserve memory and thinking skills in middle-age, according to these study results.”
Chronic Stress Linked to Allergy Flares
Amber Patterson, from Ohio State University and colleagues analyzed 179 patients for 12-weeks in order to evaluate the relationship between perceived emotional stress, depressive mood, and allergy flares. During the study period 39% of participants had more than one allergy flare. Results showed that participants in this group had higher stress than those in the group who did not experience allergy symptoms. Although there were no significant findings between allergy flares and perceived stress on the same day, a number of sufferers reported allergy flares within days of increased daily stress. No relationship was observed between depressive symptoms and allergy flares. “Symptoms, such as sneezing, runny nose and watery eyes can cause added stress for allergy sufferers, and may even be the root of stress for some,” said Dr. Patterson. “While alleviating stress won’t cure allergies, it may help decrease episodes of intense symptoms.”
Comments Dr. Klatz: “Supporting the premise of a causal association between psychological stress and allergy, this data suggests that stress reduction may help to reduce the frequency of allergy flare-ups.”
Anti-aging medicine is the fastest-growing medical specialty throughout the world and is founded on the application of advanced scientific and medical technologies for the early detection, prevention, treatment, and reversal of age-related dysfunction, disorders, and diseases. It is a healthcare model promoting innovative science and research to prolong the healthy lifespan in humans. As such, anti-aging medicine is based on solid scientific principles of responsible medical care that are consistent with those applied in other preventive health specialties. The goal of anti-aging medicine is not to merely prolong the total years of an individual’s life, but to ensure that those years are enjoyed in a productive and vital fashion. Visit the A4M’s World Health Network website, at www.worldhealth.net, to learn more about the A4M and its educational endeavors and to sign-up for your free subscription o Longevity Magazine™ e-Journal.Filed under: Longevity News & Review