If they are a non neurological specialist she should probably stay away.
Eggs are a huge source of cholesterol.. but if u are talking about the body's source, then I have no idea
They can watch informal videos,take notes and participate in the class/ask questions.
Hard hat: protects the head from falling objects
Leather gloves: protects hands from cuts and debris
Goggles: protects eyes from dust and air borne debris
N-95 respirator mask: prevents from breathing in dust, hazardous gases
Yellow vest: allows others to recognize that you are a responder and not a victim
For safety it is important to consider the danger of aggressive animals like bears or wolves when planning an outdoor activity because an attack could be very fatal.