Table 4. Characteristics of seborrheic dermatitis and the effect of food type on the disease.

SD - seborrheic dermatitis

Characteristic	n=59
Do you suffer from any skin diseases other than seborrheic dermatitis? Such as eczema, psoriasis, lichen planus?	25 (42.4%)
How severe was the disease when you were diagnosed and before any treatments began?
Mild	14 (23.7%)
Moderate	27 (45.8%)
Severe	18 (30.5%)
Do you have relatives who have been diagnosed with seborrheic dermatitis?
No	17 (28.8%)
Yes	12 (20.3%)
I do not know	30 (50.8%)
Flare-ups or worsening of SD with certain food types?
No	29 (49.2%)
Yes:	30 (50.8%)
Sweets	10 (16.9%)
Spicy foods	10 (16.9%)
Fried Food	8 (13.5%)
Dairy products	7 (11.9%)
Seafood	6 (10.2%)
Nuts (fried/roasted)	6 (10.2%)
Citrus fruits	6 (10.2%)
Soft drinks or energy drinks	4 (6.8%)
Raw nuts	4 (6.8%)
White bread	3 (5%)
Processed meat	3 (5%)
Vegetables	2 (3.4%)
Red meat	2 (3.4%)
Coffee	2 (3.4%)
Chicken	2 (3.4%)
Rice or pasta	1 (1.7%)
Other: ketchup	1 (1.7%)
Eggs	1 (1.7%)
Improvement of SD symptoms with certain food types?
No	47 (79.6%)
Yes:	12 (20%)
Citrus fruits	5 (8.5%)
Leafy green vegetables	5 (8.5%)
Vegetables	4 (6.8%)
Non-acidic fruits	3 (5.1%)
Brown bread	2 (3.4%)
Raw nuts	2 (3.4%)
Dairy products containing beneficial bacteria	2 (3.4%)
Chicken	1 (1.7%)
Rice or pasta	1 (1.7%)
Coffee	1 (1.7%)
Sweets	1 (1.7%)
Other: keto diet	1 (1.7%)