The perils of lavender?

When a medical friend of mine commented that lavender affects estrogen levels, I laughed and balked at the idea.  Lavender is widely used and easily recommended for relaxation & other medicinal benefits and is an added scent in everything from detergent to hand creme to perfumed hangers.  How could lavender be harmful to me? 
Long story short:  basically there were a couple cases of young boys who excessively used lavender and tea-tree oil products developing "breast swelling" due to excess estrogen blocking androgens. Related article.
Lesson learned: use everything in moderation.  Don't douse yourself in lavender oil.  Don't eat soy foods all day every day.  Don't eat that 3rd - 4th - 5th serving of ice cream.  LAURA - PUT THE ICE CREAM DOWN!

Eating Journal:
-oatmeal with flaxseed, granola
-sauteed veggies, chimichurri tofu, curried brown rice, vegan peach cobbler
-dark chocolate, mini cupcake
-sandwich on wheat bread with sprouts, tomatoes, grilled zucchini, mustard, grilled mushrooms, lettuce, hummus
-1 beer

Exercise Journal:
-13.4 miles biking to/from work
-7 minute bike ride back from lunch :-)