Author

Joseph Calder Page 2

Joseph Calder is an in-house health writer at Biology Insights who reports on hematology and wellness from Bellevue, Nebraska. A frequent blood donor, he formerly produced consumer wellness features for a regional digital magazine.

Why Does My Blood Draw Slowly? Reasons for Slow Blood Flow Tests
What Is Special About AB Negative Blood?Tests
What Is a Positive Blood Type and What Does It Mean?Tests
Is Rh- the Same as O-? Two Different Blood Systems Heart & Lungs
When Are You Too Old to Donate Blood?Healthcare
Should AB+ Donate Blood or Plasma?Healthcare
How Rare Is AB Positive Blood?Tests
Why Purple Spots Appear on Skin and When to Act Skin & Hair
What Does Having B Positive Blood Type Mean?Heart & Lungs
What Is Special About A+ Blood?Heart & Lungs
What Iron Level Is Considered Anemic?Tests
What Is O Negative Blood and Why Is It So Rare?Heart & Lungs
What to Do Before Donating Blood for the First Time Healthcare
Why Do I Wake Up With Random Bruises? Causes Explained Bones & Muscles
Why Do I Wake Up With Bruises on My Arms?Bones & Muscles
What Is the Best Blood Type to Donate: O-, AB & More Healthcare
How Long After a Blood Transfusion Can You Donate Blood?Healthcare
Why Do We Bruise? Causes, Colors, and When to Worry Bones & Muscles
How Long Does a 1 Pint Blood Transfusion Take?Procedures
How Long Does It Take to Donate Blood: Full Timelines Healthcare
Is O Negative a Rare Blood Type? What to Know Heart & Lungs
Why Do My Arms Bruise So Easily? Causes Explained Heart & Lungs
Why Do I Wake Up With Bruises? Causes and Concerns Bones & Muscles
Is It Safe to Donate Blood: Risks and Side Effects Healthcare
What to Do After Donating Blood and What to Avoid Safety
What Is Selling Plasma? Process, Pay, and Side Effects Healthcare
What Can Cause Bruising and When Should You Worry?Bones & Muscles
Is O+ Blood Universal or Just O Negative?Heart & Lungs
Is Donating Blood Safe? Risks and Side Effects Healthcare
How Common Is Fainting After Giving Blood?Healthcare