Is there any actual safe way to vape without health risks?
1. Be an adult
2. Be sure your blood pressure is within the healthy range & that you've no chronic cardiovascular or respiratory ailments
3. Assure you don't use materials to which you have allergies or sensitivities, primarily propylene glycol & nickel.
4. Get or mix e-liquid w/ no nicotine or a moderate percentage of nicotine & w/o diacetyl or oils other that USP grade propylene glycol & vegetable glycerin, such as any available commercial e-liquid
5. Use a device w/ electronics safety protections
6. Don't troll vaping forums
In short, do what vapers generally do.