Sick 22 Sick building syndrome 17 Indoor air pollution 12 Islam 8 Health aspects 7 Cooking for the sick 6 Health and sickness 6 Islam and medicine 6 Religious aspects 6 Diet therapy 5 Building 4 Design and construction 4 Friendship 4 Health and hygiene 4 Litters 4 Long-term care of the sick 4 Prayers and devotions 4 Religious life 4 Technological innovations 4 Transport of sick and wounded 4 Wheelchairs 4 health aspects 4 Evaluation 3 Medical care 3 African Americans 2 Alternative treatment 2 Animals 2 Automatic control 2 Automobiles 2 Autonomous vehicles 2