Punxsutawney Phil the groundhog says spring will come early.
We don't know yet if he's right, but allergists say if you have grass allergies and want to try a new therapy that helps prevents symptoms, you'll need to start it three months before allergy season kicks into full gear.
That therapy is sublingual oral immunotherapy.
A tablet is placed under the tongue every day.
Officials say it helps build up a tolerance against grass allergens.