Behold! It is 500-1000g annually.

If you want to change your future for the better: sleep enough, eat healthy food and don’t be a sloth.

And maybe fidget to burn more energy, so you can eat more food.

Food is great.

References

1. Hutfless S, Maruthur NM, Wilson RF, et al. Strategies to Prevent Weight Gain Among Adults [Internet]. Rockville (MD): Agency for Healthcare Research and Quality (US); 2013 Mar. (Comparative Effectiveness Reviews, No. 97.) Available from: https://www.ncbi.nlm.nih.gov/books/NBK133218/
2. Robards, T. (2016). Is it natural to get fatter with age?. Retrieved from https://www.news.com.au/lifestyle/fitness/weight-loss/is-it-normal-to-get-fatter-with-age-or-is-that-just-an-excuse/news-story/70471ba826cfbf8d125d24b31c77eb50
3. Healthy Weight. Retrieved from https://www.hsph.harvard.edu/nutritionsource/healthy-weight/
4. Publishing, H. (2015). Does Metabolism Matter in Weight Loss?. Retrieved from https://www.health.harvard.edu/diet-and-weight-loss/does-metabolism-matter-in-weight-loss