How Being Male or Female Affects Our Hearts, Kidneys and Waistlines

When it comes to health, men and women aren’t always equal. Biological factors, such as our anatomy and hormones, affect the way our bodies behave when we’re healthy and when we face health challenges. Top researchers who study the influence of biological sex on health and disease gathered earlier this month in Knoxville, Tenn., for … Continue reading How Being Male or Female Affects Our Hearts, Kidneys and Waistlines

2017’s 10 Most-read Posts

Another physiology-filled year on the I Spy Physiology blog is almost over. This year, we’ve explored dozens of topics, ranging from skin cancer, gut health and spinal cord injury to the mystery of how hibernating animals’ muscles remain strong. We’ve celebrated women in science and smiled at the thought of turkeys running on treadmills. Today, … Continue reading 2017’s 10 Most-read Posts

Dog Gazing: Attachment between Hound and Human

While walking through Santiago, Chile, you are likely to come across at least one of the countless wandering dogs that live on the busy streets. Homeless dogs are a normal part of Santiago’s culture. They are quick to make friends with anyone who offers a welcoming hand or food. They are not quick, however, to … Continue reading Dog Gazing: Attachment between Hound and Human

When Hormones Take Your Breath Away

After a healthy childhood, my best friend suddenly started having breathing difficulties when she was 20 years old. The doctor diagnosed her with asthma. With the help of inhaled medications, she was able to control her symptoms. But a year later, the medications were no longer effective and she started having monthly, life-threatening asthma attacks. … Continue reading When Hormones Take Your Breath Away

It’s a Bird, It’s a Plane, It’s Your Thyroid Gland!

  The thyroid gland—a small, butterfly-shaped gland found at the base of the neck—is the “Clark Kent” of endocrine organs. The thyroid’s actions are extremely powerful, but most people don’t know about its secret superpowers. An endocrine organ releases substances called hormones into the bloodstream. These hormones are carried to other areas of the body … Continue reading It’s a Bird, It’s a Plane, It’s Your Thyroid Gland!