Yes, very true. I had cavities all the time. There was no fluoride in the water yet. Amazingly, I still have all my teeth, minus one which I lost a year or two ago.
Your eyesight is pretty good, at least when you wear your glasses
False - I have virtually no vision in my left eye after retinal detachment. My right eye is getting bad even with glasses. Good thing I usually know where I am going when driving.
You have a device in your home that shows temperature, humidity and air pressure.
True for some products - I can bypass liverwurst, most sliced hams, salami and bologna, but I often get chicken, turkey, corned beef, pastrami or seasoned roast beef.
You had a lot of friends your age in the neighborhood where you grew up.