The age factor is a big one. As we age the ability to recognize thirst diminishes. It is not all that uncommon for older people to become dehydrated; taste buds start to go and so sometimes people over salt which can be a contributing factor - it can present as cognitive issues as well. If your loved one is starting to get a little forgetful, make sure he/she is drinking enough water.
Carlos is also 74 years old. Maybe the vax maybe he was just pushing too hard for his age.
The age factor is a big one. As we age the ability to recognize thirst diminishes. It is not all that uncommon for older people to become dehydrated; taste buds start to go and so sometimes people over salt which can be a contributing factor - it can present as cognitive issues as well. If your loved one is starting to get a little forgetful, make sure he/she is drinking enough water.