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Breakthrough sensor to help people with bipolar disorder monitor lithium levels -- ScienceDaily

ithium is an antipsychotic drug used to treat mood conditions such as bipolar disorder and depression. The drug must be carefully monitored when given to patients, as the wrong dose could prove to be highly toxic. Lithium levels initially need to be checked five to seven days after the first dose, followed by weekly checks until levels stabilise between two doses -- after which levels are typically monitored every three months. The new miniature sensors were shown to quickly and accurately detect lithium concentration levels -- from clinically effective, to toxic concentration limits. The sensor is able to detect lithium concentration in the blood even if there is a high concentration of sodium.

Virtual coaches, fitness trackers help patients stay fit after cardiac rehab: Small pilot study suggests virtual oversight keeps patients motivated to exercise -- ScienceDaily

The 12-week mobile health, or mHealth, program not only kept cardiac rehab patients from losing ground, it appeared to help them maintain and even gain fitness. The researchers have published their findings in the American Heart Journal and are now looking to scale up the study with a larger group of patients. "The benefits of a cardiac rehab program are well-established, but the gains tend to be temporary," said senior author William Kraus, M.D., who led the project as part of the Duke Molecular Physiology Institute. "Good habits are hard to maintain for a lot of people once they are on their own and no longer have someone overseeing their progress."

Swallowable sensors reveal mysteries of human gut health: First human trials of gas-sensing capsule reveal potential new immune system -- ScienceDaily

Findings from the first human trials of a breakthrough gas-sensing swallowable capsule could revolutionise the way that gut disorders and diseases are prevented and diagnosed.