can chewing tobacco cause bloating Smokeless tobacco: Just an issue

Over the long term, a lack of exercise can lead to obesity, which can significantly boost high LDL cholesterol and triglyceride levels (5)

Instead, we included playground and parks in our study because all these urban amenities have similar characteristics and dimensions, as defined by OpenStreetMap

"From what we can tell, it's still harmful to the baby so people shouldn't have e-cigarettes when they're pregnant." Follow @BBCNewsbeat, external on Twitter, BBCNewsbeat, external on Instagram, Radio1Newsbeat, external on YouTube and you can now follow BBC_Newsbeat on Snapchat

Chronic exposure may cause kidney or liver damage and skin allergy (Liesivuori and Savolainen 1991)