Don't worry about events that are unlikely to happen.
A realistic perspective on risk can help.
Odds of Dying From..
Within 1 year
Falling..1 in 36,000
Hit by Car..1 in 47,000
Poisoning..1 in 86,000
Motorcycle Accident..1 in 89,000
Choking on Food..
1 in 400,000
Airplane Crash..
1 in 400,000
Riding a Bicycle..
1 in 400,000
Drowning..
1 in 1,000,000
Gunshot Wound..
1 in 1,000,000
Building Fire..
1 in 3,000,000
Struck by Lightning..
1 in 4,000,000
Earthquake..
1 in 9,000,000
Snake Bite..
1 in 96,000,000