Ash Wednesday marks the start of Lent and a day of both fasting and abstinence.
There won't be any person-to-person contact with the priest if the Vatican's rules are followed.
"...the cravings can last weeks, months, and even years."
In cities with large Catholic populations, the drop in malware infections was dramatically higher.
As #Ashtag has gained traction, a debate has followed on whether it is appropriate.
Carnival season wrapped up on Tuesday in the Big Easy after weeks of parades.