No and there is no reason to put any food up there.
The most common other cause of miscarriage is physical trauma. Anything trauma that can cause the fetus to become partially or completely dislodged for its anchor point in the vagina will result in a miscarriage.
Yes it can.
You can't cause a miscarriage by putting a tampon in your vagina. You also can't cause one from a finger, sex toy, or penis in your vagina.
Caffeine highly increases your chance of having a miscarriage.
By nature or accident. If you mean having a miscarriage on purpose that would be a induced miscarriage aka abortion. You have to see a doctor for that.
No, tattoo's don't cause miscarriage. Doctors suggest you wait until after having the baby due to your compromised immune system during pregnancy can delay healing or cause infection.
A miscarriage may cause vaginal irritation.
No, normal physical activity does not cause miscarriage.
No, the smell of cat litter cannot cause a miscarriage.
No, sperm doesn't cause early miscarriage.
Yes. LSD is known to cause uterus contractions, which can induce a miscarriage.