Jan Mika/Alamy
OLD age can be seriously bad for your health. The list of age-related diseases is long and miserable, and as people get ever older, these tend to stack up. The average 80-year-old has four conditions; some have many more.
The good news is that there are a growing number of treatments designed to tackle these conditions, and more in the pipeline (see “Genetically modified stem cells extend lifespan of mice by 20 per cent”). One very promising avenue is a class of drugs called senolytics, which take out zombie cells that are a direct cause of ageing (see “A new class of anti-ageing drugs has …
