Life Lines by Dr. Dolittle

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Tag Archive for ‘gut’

Parasite-induced metabolic disease

Dr. Rudolf Schilder (Penn State University) presented a poster yesterday reporting that male dragonflies (Libellula pulchella) are developing infection-induced metabolic disease that is similar to type 2 diabetes and obesity in vertebrates. The culprit? A protozoan parasite in the animal’s gut. It makes you wonder if parasites may be to blame for some metabolic disease cases in humans…

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Physiology in Iowa

The Iowa Physiological Society held their 23rd annual meeting today. It was a huge success! Seminars were on a diverse array of topics including epilepsy, chronic pain, Parkinson’s disease, hypertension caused by menopause, how heat exposure impacts insulin’s actions in skeletal muscle tissue, how exercise changes blood flow in muscles of individuals with obesity, factors that change the ability to grow new blood vessels, The Keynote Speaker was Dr. Mark […]

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The cause of stomach rumbling

The stomach and small intestine of many species moves rhythmically during fasting, something called the rhythmic ‘migrating motor complex’, or MMC. The MMC has 3 phases: no contraction, intermittent small contractions followed by regular large contractions. These contractions are thought to help clean the GI tract by moving along debris and bacteria as well as preparing our guts for the next meal. They are also the cause of ‘stomach rumbles’ when we are hungry. If […]

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The Integrative Biology of Exercise VII – Day 1

The opening session was great! Eric Hoffman (Children’s National Medical Center) presented work on chronic inflammatory diseases in children. He mentioned that while diets high in fats and carbohydrates (i.e. Western diets), obesity and sedentary lifestyles are associated with inflammation and related diseases (ex: asthma, type 2 diabetes), another contributor could be hormones. Kids who stay indoors more often have reduced exposure to sunlight and exercise less. This may alter the normal biological clock of […]

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Physiology 2016

I am very excited to report that the American Physiological Society in partnership with The Physiological Society held a joint meeting from July 29-31 in Dublin, Ireland. The keynote lectures were given by Dr. Jerry Friedman from Rockefeller University and Dr. W Jon Lederer from the University of Maryland.   Dr. Friedman spoke about his research on obesity and how genetic factors might play a role. In fact, his team was […]

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2016 Michigan Physiological Society Meeting

I am very excited about the upcoming 3rd annual Michigan Physiological Society Meeting on May 12-13 in Detroit. This society is a local chapter of the American Physiological Society. I am most excited by their choice of a Comparative Physiologist for the keynote address: Dr. Hannah V. Carey from the University of Wisconsin School of Veterinary Medicine. Dr. Carey is a Past-President of the American Physiological Society. She will be presenting […]

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