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A 2017 study on marijuana use and testosterone concentrations among American males has shown that marijuana use can increase testosterone levels and contribute to acne formation
Weve known for more than half a century that smoking causes lung cancer, and the physical effects of smoking are fairly well understood
It uses a spirometer and a bronchodilator which assist in the diagnosis of asthma and COPD by measuring the reversibility with the help of an inhaled bronchodilator.Dr Rajesh Chawla Other tests may include a chest x-ray, CT scan, arterial blood gas analysis along with other laboratory tests which may help figure if they are any other complications
Funding This work is supported by R01ES029967 and P30ES009089
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