Internet Addiction - It's probably the reason I'm here.

Environmental Allergy - This one is not really an important issue.

Bad Breath - Heh, no need to explain this one...

Hypoglycemia - Though not as pronounced as it was before, I have hypoglycemia. I tend to have dizzy spells sometimes.

Dry Eyes - I keep my eyes dry on purpose, so that I can't cry.

Acne - Pretty self-explanatory. Severe acne that nothing but the most powerful products.

Eczema - That's what too much stress does to you.

Antisocial Personality Disorder - I'm a loner, that's it.

Autism - I behave erratically, and it's noticeable. I like being in my own world.

Depression - ...

Social Anxiety Disorder - Being around a certain number of people, especially if I don't know them, makes me sweat, breath heavily, want to pee, drains my energy, and even prevents me from digesting, which is especially annoying when eating at... someone's place (which happened twice in my life or so)

Stress - School, Internet information overload, personal development, intelligence gathering, lifehacking, all those things are part of my life and need to be done.

Suicide - ...

Scoliosis - Probably the cause of aforementioned back pain.

Back Pain - I have a crooked back, as if it was about 30 years older than I am.

Chronic Fatigue Syndrome - It's a vicious cycle. I have too much to do, and there's just 24 hours in a day...

Chronic Pain - Sometimes my heart feels like it's pinched all of a sudden. It's highly annoying, and makes me go "Ompf" and put my hand on my chest all of sudden, eventually surprising people.

Headaches/Migraines - On top of dizzy spells, I get headaches as well. I can also sometimes feel my veins beating under my head's skin.

Emotional Abuse - Not gonna explain this.

Pessimism - Bleh.

Shyness - I'm shy, unsafe, insecure.

Excessive Daytime Sleepiness (EDS) - See "Chronic Fatigue Syndrome".

Urinary Incontinence - Happens especially when around other people I don't know (See Social Anxiety Disorder).

Low Self Esteem - ...