Anatomy, Feature Post, Health & Medicine

What Science Says About the Pain of Running (And Addiction)

Homer-Simpson-Running

I don’t think anybody has ever claimed that running is a 100% wonderful experience. Even the most avid runners still have to get past the painful parts of that morning jogging session. However, there’s a common misconception that some people just aren’t made to run. With the exception of those with certain chronic medical problems, of course, most human bodies…

Anatomy, Diseases, Health & Medicine, News

Imaging Cancer with Sound and Light

a) Optical-resolution photoacoustic microscopy of sO2 in a mouse ear; b) acoustic-resolution photoacoustic microscopy of normalized total hemoglobin concentration, (hemoglobin), in a human palm; c) linear-array photoacoustic CT of normalized methylene blue concentration, (dye), in a rat sentinel lymph node (SLN); d) circular-array photoacoustic CT of cerebral hemodynamic changes, Δ(hemoglobin), in response to one-sided whisker stimulation in rat; e) photoacoustic endoscopy of a rabbit esophagus and adjacent internal organs, including the trachea and lung. UST = ultrasonic transducer. Courtesy of Dr. Lihong V. Wang.

In 2003, Dr. Lihong V. Wang at Washington University introduced one of the most exciting technologies we’ve had the chance to see in a long while. By combining ultrasound and light absorption, Wang and colleagues developed a new method that makes multicontrast images of biological tissues several inches below the skin. Among others, this allows specialists to see cancer in action with unprecedented…

Anatomy, Health & Medicine, News, Psychology

Scratching makes Itching Worse: the Molecular Mechanism behind the Itch

scratching

Seems like your mom was right all along: scratching does, in fact, makes the itching worse. This was the conclusion reached by a group of researchers at Washington University School of Medicine in St. Louis after the scientists studied the molecular and neural pathways that cause and relieve itching. The findings suggest that scratching releases serotonin – a key neurotransmitter involved in…

Anatomy, Health & Medicine, News

New Paint-on, See-through bandage Emits Phosphorescent Glow for Healing Below

Credit: Li/Wellman Center for Photomedicine.

An interdisciplinary  team of researchers has created a paint-on, see-through, “smart” bandage that glows to indicate a wound’s tissue oxygenation concentration. Oxygenation plays a crucial role in healing, so mapping it in severe wounds and burns can help to significantly improve the success of surgeries to restore limbs and physical functions. “Information about tissue oxygenation is clinically relevant but is often…

Alternative Medicine, Anatomy, News

Scientist gives himself Fecal Transplant from Hunter-Gatherer from Tanzania… to See how it Goes

A Hadza hunting party. Image via The Telegraph

A field researcher from America has transplanted fecal microbiome from a Tanzanian tribesman to his own gut. Why? Well… to see what happens, basically. “AS THE SUN set over Lake Eyasi in Tanzania, nearly thirty minutes had passed since I had inserted a turkey baster into my bum and injected the feces of a Hadza man – a member of one of…

Anatomy, Biology, Diseases, News

Heart rate variability keeps the body in optimal shape

heartrate

The heart regularly speeds up or down its beating frequency to adjust to the body’s needs. Even in stable conditions (when you’re not particularly active or your active for a constant time), the amount of time between heart beats is variable. A team of doctors and engineers at Caltech’s Division of Engineering and Applied Science have now found a better way to assess…

Anatomy, Biology, News, Nutrition

Gut bacteria may control your mind by influencing your dietary choices

gut_bacteria_food_craving

Our gut hosts an enormous population of bacteria, each species with its own niche (they feed on certain foods), which outnumbers our own cells 100-fold. Most of these bacteria are good bacteria, though. In fact, you couldn’t survive without most of them! They’re among the best decomposers, breaking down dead and organic matter otherwise impossible by the gut alone. But…

Anatomy, Genetics, News

Japanese woman is first recipient of next-generation stem cells

Researchers were able to grow sheets of retinal tissue from induced pluripotent stem cells, and have now implanted them for the first time in a patient.

A Japanese woman in her 70s is the world’s first recipient of cells derived from induced pluripotent stem cells, a technology that promises to work wonders and has the scientific community excited about the perspectives. Surgeons working on the case created the retinal tissue after reverting the patient’s own cells to ‘pluripotent’ state. If you’d like to benefit from stem cells, but…

Anatomy, Did you know?, Health & Medicine

These rocks in your head keep you balanced

calcium_carbonate_ear

The beautiful colored image above might look like beach pebbles, yet in reality it shows a glimpse from an even tinnier world – it’s a colored scanning electron micrograph (SEM) of calcium carbonate deposited on the surface of an otolith, found in the Acoustic Macula. These tiny debris also fit a purpose, helping the body stay in equilibrium, whether in static (position of the head) or dynamic equilibrium (relative position function of linear acceleration)…