Concerns on priority:
1) Carcinogenic Substance due to cooking method, cooking oil used. Pesticide and other chemicals inclusive.
2) Pesticide/Other substance/Coating substance harmful to body & cells
3) Amount of added additives and flavors like salt, sugar, soya sauce, msg amount etc
4) Dirt, sands, dust, worms, debris etc
5) Freshness of food, frozen food, cooked food more than hours with bacteria growth etc
Above all are found in outside food. Can be greatly reduced or managed or mitigated by home cooking.
Many people have health issues even at young age nowadays. Google top 10 illnesses in SG.
If lazy to google, common ones are:
- Cancer
- Heart attack
- Stroke
- Infection like UTI, Pneumonia
No 1. is cancer, follows by heart or blood related like heart attacks or stroke.
Increasing number of people have diabetes, high blood pressure & high cholesterol.