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Medicine

Lithium for Life Extension?

Lithium for Life Extension?

Last month, Anna Fels wrote in the Sunday NYTimes suggesting that lithium be added to the drinking water because trace amounts of lithium are associated with lower rates of mental illness, violence and suicide in particular. What she didn’t say was that communities with naturally-occurring lithium in their drinking water enjoy greater longevity as well.

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The Sensorium: A Multimodal Neurofeedback Environment

The Sensorium: A Multimodal Neurofeedback Environment

The Sensorium is a neurofeedback environment that allows people to experience signals from their non-perceptible body processes visually and auditorily. Various (neuro-)physiological rhythms and frequencies are projected simultaneously as soundscapes and “lightscapes” into the environment. A wireless physiological amplifier device sends signals such as EEG and ECG to a computer for real-time processing using the modi...

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Bionic Body — Better, Stronger, Faster

Bionic Body — Better, Stronger, Faster

In the future, a woman with a spinal cord injury could make a full recovery; a baby with a weak heart could pump his own blood. How close are we today to the bold promise of bionics—and could this technology be used to improve normal human functions, as well as to repair us?

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Pacemakers Without Batteries — Coming Soon

Pacemakers Without Batteries — Coming Soon

My father-in-law had a cardiac pacemaker implanted when he was in his mid-80s. He had it replaced after about 5 years because the battery failed. This is a common occurrence and even though pacemakers have become smaller, the battery represents the single component in the form factor that restricts them from becoming really tiny while at the same time requires them to be replaced periodically.

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Cholesterol: A Medical Controversy – Background

Cholesterol: A Medical Controversy – Background

Cardiovascular disease is the #1 cause of death in the developed world, and for more than 50 years, standard medical advice has been that the best thing we can do to lower our risk of CVD is to reduce saturated fats in our diet. The theory is that saturated fats lead to higher concentrations of cholesterol in the blood, and cholesterol in the blood leads in turn to formation of blockages that cause heart attacks. T...

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