What Are the Dangers of Mountain Climbing?

https://outdoorsfaqs.com/what-are-the-dangers-of-mountain-climbing/
Mountains can be deadly, and the most common causes of deaths in the mountains are the following (given in no particular order):
Trauma.
High altitude illness.
Sudden cardiac death.
Cold injury.
Avalanches.

Mountaineering appears to be the most dangerous outdoor activity.