[calex59]

Dynamite cannot blow up by hitting it, biting into it etc. It takes a powerful blow, such as a blasting cap explosion to set it off. Swallowing it however won't do you much good because it is mainly nitro and sawdust.

[cripplecreek]

Swallowing it however won't do you much good because it is mainly nitro and sawdust.

And nitro's effect on the heart is.......

[TXnMA]

Nitroglycerine is a powerful vasodilator. Anyone who has been treated for a heart attack will tell you that the nitroglycerine administered to increase cardiac vessel blood flow will give you a whopping, fierce headache. Some cardiologists even administer morphine to ease the headache pain.