Filters higher than MERV 14 are uncommon in residential use as they may be too restrictive for ordinary HVAC systems, although some newer homes have whole home HEPA systems that can use higher MERV rated filters without damaging the HVAC system
Sixteen states have approved raising the smoking age to 21, though in some the changes won't take effect until later in 2019 or in coming years.
For people with respiratory issues, heart conditions, or children at home cigarette smoke is not a minor inconvenience , its a health hazard
We dont have any information as of now on the potential long-term impacts of e-cigarettes on respiratory health. Allen says the results represent a first grim step toward producing that information and they provide a sad confirmation of what researchers already suspected: that e-cigarette use has a dramatic long-term effect on lung health
They are associated with various health risks, including oral cancer, gum disease, tooth loss, and addiction to nicotine