HDL Cholesterol Normal Range: What Is a Healthy HDL Level

Learn what the HDL cholesterol normal range means, what counts as a healthy HDL level, and why your overall cholesterol profile matters for heart health.
Cholesterol Level: What Your Numbers Mean and When to See a Doctor

Learn what your cholesterol numbers mean, including LDL, HDL, triglycerides, and total cholesterol, and when to talk to your doctor.
Hypertension Treatment: A Complete Guide to Managing High Blood Pressure

Learn about hypertension treatment, healthy lifestyle changes, blood pressure medications, and how primary care can help you manage high blood pressure and reduce your risk of heart disease, stroke, and other serious complications. Zenith Primary & Urgent Care provides personalized hypertension care for patients in Marlborough, MA, and surrounding MetroWest communities.
How Long Is a Stress Test? What to Expect Before, During, and After Your Appointment

A heart stress test helps doctors evaluate how well your heart functions during physical activity. Most standard stress tests take 30 to 60 minutes, while imaging-based tests may take longer. Learn what happens before, during, and after a stress test, the different types available, why your doctor may recommend one, and when to seek medical evaluation for heart-related symptoms.
Best Anti-Inflammatory Vegetables for you this Winter

Cold weather can make aches, stiffness, and inflammation feel worse, but your winter diet can help. From Brussels sprouts to purple sweet potatoes, these seasonal vegetables are packed with antioxidants and plant compounds that naturally fight inflammation and support heart health, immunity, and overall wellness. Learn which anti-inflammatory vegetables to add to your plate this season and how small food choices can make a big difference with support from Zenith Primary Care.
Palpitations and Irregular Heartbeats: What They Mean

Heart palpitations can feel alarming—like your heart is racing, fluttering, or skipping beats—but most are harmless and temporary. Still, frequent or unexplained irregular heartbeats may signal an underlying issue. Learn the common causes, when to worry, and how primary care can evaluate and treat palpitations to keep your heart healthy and your mind at ease.
Wearables and Heart Rhythm Alerts: When to Take Them Seriously

Smartwatches and fitness trackers can alert you to changes in your heart rhythm, but not every notification is an emergency. Learn what these alerts really mean, when to stay calm, and when it’s time to call a healthcare provider.
Why Does High Blood Pressure Spike During the Holidays?

Holiday stress, salty foods, and alcohol can raise blood pressure. Learn why it happens, how to prevent it, and when to seek care.
Hypertension in Diabetes: Double the Risk, Double the Care

Diabetes and high blood pressure are a dangerous pair that often go hand in hand, silently straining your heart, kidneys, and blood vessels. Together, they increase the risk of heart disease, stroke, and organ damage—but the good news is, with the right care, you can take control. From healthier eating and regular exercise to careful monitoring and medication when needed, managing both conditions doesn’t have to feel overwhelming. At Zenith Primary Care, we’re here to guide you through every step, helping you protect your long-term health and improve your quality of life.
Understanding and Managing High Blood Pressure in Kids and Teens

High blood pressure isn’t just an adult problem — kids and teens can develop it too, often without any symptoms. Left untreated, it can affect the heart, kidneys, and overall health. Learn the signs, risk factors, and treatment options so you can protect your child’s long-term well-being.