How do you inhale nicotine?
You inhale via the mouth that can go to the lungs. Exhaling through the nose let's the vapor collect on the hairs and the nicotine gets in very well that way.
How to calculate wattage of a vape?
Wattage is the power (heat, sweet spot) that your PV (battery and atomizer) generates. Wattage = Voltage (of your battery) squared divided by Resistance (Ω) of your atomizer. If you're not good at math, don't worry, use this easy calculator:
Can you inhale nicotine through the mouth?
You can not deny excess can possibly be cumulative. You can inhale through the mouth then using Pipe smoking circular breathing, like FrenchFry stated above, the nicotine is absorbed in the mouth and sinuses, no need to inhale and still get plenty of nicotine.
Is it safe to inhale PG?
PG and VG and a little nicotine are generally considered safe for in halation. Flavorings are considered GRAS (generally regarded as safe) for human consumption, but have not been evaluated for inhalation. So as long as you don't inhale, you're as safe as you can be with vaping.
Is vaping better than smoking?
Well, according to Public Health England, vaping is at least 95% safer than smoking--in terms of your health. But it's not 100% safe--there are still many unknowns, especially when it comes to flavorings, sweeteners and other additives in our e-juices. PG and VG and a little nicotine are generally considered safe for inhalation.