Answer:
Doubling over, pale complexion, tears, furrowed brows
Explanation:
<u>Doubling over</u> is a reaction to clench the stomach when someone is in pain. <u>Pale complexion</u> is a result of blood loss, fear, anxiety, dehydration/light headedness, and loss or red blood cells. <u>Tears</u> (depending on the context) are a way to let out emotion - both sad and happy. <u>Furrowed brows</u> is usually a sign of discomfort which is usually a consequence of worrying too much or crying too much, both of which require face muscles to tense for a long(ish) period of time.
That could be because you are etheir not drinking enough fluids such as milk, water and others and or because you might be stressed or just not eating right ....
Because they worked hard and with work the disease doesn't have too much affect because they were immune