wieviel kostet die abnehmspritze — what are common causes?

Your question has two parts: the cost of weight loss injections and common causes (presumably of weight issues). The provided contexts contain no pricing information for GLP-1 agonists (e.g., Ozempic, Wegovy). These are prescription-only and cost between $200 and $1000 per month in the US, or are covered by insurance in some countries. For common causes of obesity, the contexts offer some genetic clues: variants like rs9939609 (FTO gene) and rs9930506 are associated with BMI in GWAS, but effect sizes are small. The FOXO3 SNP rs2802292 is linked to longevity, not directly to weight. Causes are multifactorial: diet, exercise, metabolism, psychological factors, and genetics. A DNA test can highlight risk variants but cannot diagnose or predict response to weight loss shots. Evidence for genetic testing in weight management is weak to moderate. For serious weight issues, consult a physician.