Approximately 10% of patients report an allergy to penicillin. However, the majority of patients (greater than 90%) may not truly be allergic. Most people lose their penicillin allergy over time, even patients with a history of severe reaction such as anaphylaxis.
Additional lighting equipment is often necessary to compensate the low levels. Earlier it was common with light levels in the range 100 - 300 lux for normal activities. Today the light level is more common in the range 500 - 1000 lux-depending on activity.
You should usually keep albedo of your materials under RGB180. If this makes your scene too dark, then you can increase brightness either by changing exposure controls, or by increasing intensity of lights. Each material component is calculated as LEVEL * COLOR (with 255 = albedo 1).