October 3, 2026

Can POTS Show Up in Bloodwork? Routine blood tests do not diagnose POTS Normal bloodwork does not rule POTS out Labs can help identify other causes of similar symptoms Patients with dizziness, a racing heart, weakness, fatigue, or brain fog may undergo extensive blood testing and be told that the results are normal. That can […]

Have We Overlooked Juvenile Ticks Feeding on Deer? Deer are well-known hosts for adult blacklegged ticks Larvae and nymphs may also feed on deer Seasonal sampling may have underestimated this relationship White-tailed deer are widely recognized as important hosts for adult blacklegged ticks. However, a recent study suggests that juvenile blacklegged ticks—the larval and nymphal

Can Lyme Carditis Progress After Starting Doxycycline? Neurological symptoms improved after doxycycline Complete heart block developed four days later Temporary pacing and IV ceftriaxone restored normal conduction Can Lyme carditis progress after starting doxycycline? Yes. Lyme carditis may become clinically apparent or worsen during the first days of antibiotic treatment. In one published case, a

Travelers Can Carry Infected Ticks Across State and National Borders Attached ticks may travel thousands of miles with people The place where a tick is found may not be where it was acquired Recent travel can provide an important diagnostic clue Travelers may return home with more than photographs and souvenirs. They can unknowingly carry

Why Do I Forget Words While Talking? The word can feel just out of reach Brain fog can slow word retrieval The pattern can offer important clues Forgetting words while talking can be frustrating. You may know exactly what you want to say, recognize the word if someone else says it, and even remember details

How Long Is Too Long for Brain Fog? Brain fog can last days, weeks, or longer Duration alone does not determine the cause Worsening or disruptive symptoms deserve evaluation How long is too long for brain fog? There is no single number of days or weeks that makes brain fog abnormal. Occasional mental cloudiness after

What Are the Red Flags for Brain Fog? Sudden changes can be important Progressive symptoms deserve evaluation The accompanying symptoms matter What are the red flags for brain fog? Brain fog itself is not a diagnosis, and occasional difficulty concentrating or finding a word does not necessarily indicate a serious neurologic problem. The pattern becomes

Should I Be Worried If I Have Lyme Disease? Lyme disease deserves attention Early recognition can make a difference Persistent symptoms should not be dismissed Should I be worried if I have Lyme disease? In most cases, there is no reason to panic. Lyme disease is treatable, particularly when it is recognized early. But it

Why Is Lyme Disease So Bad Right Now? Tick bites are unusually high in 2026 Blacklegged ticks are established across a widening geographic range Climate, ecology, and human exposure all contribute Why is Lyme disease so bad right now? There is no single explanation. Lyme disease remains a major public health problem because people are

What Are the Odds of Getting Lyme Disease? There is no single percentage Risk varies from one tick bite to another Lyme is not the only infection to consider What are the odds of getting Lyme disease after a tick bite? There is no single percentage that accurately describes every bite. An often-cited estimate places