The key is recognizing when normal worry needs professional attention
They used a method called Mendelian randomisation, which uses the variations in genes (known as single nucleotide polymorphisms or SNPs) that are inherited from our parents, to infer how exposure to a modifiable environmental factor (such as smoking) is causally related to a disease or health condition (such as shorter leucocyte telomeres)

Al Fakher Kiwi Shisha Tobacco : Product Specifications Brand: Al Fakher Flavor: Kiwi (Sweet & Tangy Tropical Blend) Manufacturing Country: United Arab Emirates (UAE) Nicotine Content: ~0.05% (Light strength) Available Pack Sizes: 1kg (1000g) Smoking Sessions: Around 4060 bowls per 1kg pack Ingredients: Tobacco leaves, molasses, glycerin, food-grade flavoring Smoke Output: Thick, dense, smooth clouds Cut Style: Fine-cut for easy packing and airflow Heat Management: Medium heat recommended Flavor Strength: Light to medium intensity Best For: Beginners, fruity flavor lovers, social sessions, mixing blends Storage: Airtight container in a cool, dry place What is Al Fakher Kiwi Shisha Tobacco
I will note, that the Thor-provided documentation usually needs to be viewed with a measure of skepticism since they sometimes do things without documenting them