is smoking weed and tobacco the same Many people think cannabis smoke harmless. Here's how how that belief can put health at risk Does Marijuana Cause Lung Cancer?

When lit, the tobacco inside the cigarette burns and produces smoke, which is then inhaled by the smoker

Here are all the positive changes your body will go through each minute: Within the first 20 minutes, your heart rate, which was elevated due to chain smoking during the waking hours will fall down to normal

Smoking also destroys the lungs tiny air sacs called alveoli

Founded in Kunming in 2001, the company runs more than 25,000 square meters of lab research area and has invested over RMB60 million (US$8.43 million) in state-of-the-art research equipment

Known for her fearless denunciations of irrationalism, Rand issued blistering critiques of powerful leaders, from the Pope to President Nixon