Guess what? Stress doesn't cause ulcers -- microbes do! But we guarantee that this little guy will give your most stressed out pal a laugh. GIANTmicrobes(R) Original (5-7" plush doll) $9.50 GIANTmicrobes(R) Petri Dish (3 mini microbes) $14.50

Athlete's Foot (Trichophyton mentagrophytes) Bad Breath (Porphyromonas gingivalis) Diarrhea (Campylobacter jejuni) Giardia (Giardia lamblia) Kissing Disease (Epstein-Barr) Pimple (Propionibacterium acnes) Ulcer (Helicobacter pylori)