diff --git a/DESCRIPTION b/DESCRIPTION
index 74f812bcad451798abe90957d846aaaa3a699057..e6e6b2c49527343718da8abdcf57a66cd7e59367 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,8 +1,8 @@
 Package: stressaddition
 Type: Package
 Title: Modeling Tri-Phasic Concentration-Response Relationships
-Version: 2.6.0
-Date: 2020-04-07
+Version: 2.7.0
+Date: 2020-04-17
 Authors@R: c(person("Sebastian", 
                     "Henz", 
                     role = c("aut", "cre"), 
diff --git a/NEWS.md b/NEWS.md
index 3c1cfec4c77f21f5a928ab2a58182584afb4798e..3dcbf77b3280a53d4cfc48658f80cf6e6aecd6ef 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,3 +1,8 @@
+# stressaddition 2.7.0
+
+* Fixed some spelling mistakes.
+* `predict_mixture()` now also returns the various stresses.
+
 # stressaddition 2.6.0
 
 * The `curves` data frame in the output of `ecxsys()` now contains a column with the concentrations which are used for the plot functions in this package. This is useful for generating a nicer concentration axis.
diff --git a/R/ecxsys.R b/R/ecxsys.R
index a257531a8cea1308ddab99d5dbff2e915d5cd8d5..5eaed9469ab10e434be7ae529e44836f9e3abadd 100644
--- a/R/ecxsys.R
+++ b/R/ecxsys.R
@@ -28,7 +28,7 @@
 
 #' ECx-SyS
 #'
-#' The ECx-SyS model for modeling concentration-effect relationships whith
+#' The ECx-SyS model for modeling concentration-effect relationships with
 #' hormesis.
 #'
 #' It is advised to complete the curve down to zero for optimal prediction.
diff --git a/R/predict_mixture.R b/R/predict_mixture.R
index f4045cb600fa4a5c5754ee30e536e87c958d11c1..ccd9e3524f9f5ec9c384216715b5b1afbdae19c2 100644
--- a/R/predict_mixture.R
+++ b/R/predict_mixture.R
@@ -41,7 +41,7 @@
 #'   this should be 100 (the default).
 #'
 #' @return A data frame with columns of the supplied concentrations and the
-#'   corresponding mixture effects.
+#'   corresponding mixture effects and stresses.
 #'
 #' @examples toxicant_a  <- ecxsys(
 #'     concentration = c(0, 0.05, 0.5, 5, 30),
@@ -132,9 +132,16 @@ predict_mixture <- function(model_a,
     stress_total <- stress_tox_total + sys_total
     effect <- stress_to_effect(stress_total) * effect_max
 
-    # Setting row.names to NULL to prevent row names when one of the
-    # concentrations is a single number.
-    data.frame(concentration_a, concentration_b, effect, row.names = NULL)
+    data.frame(
+        concentration_a = concentration_a,
+        concentration_b = concentration_b,
+        effect = effect,
+        stress_tox_sam = stress_tox_sam,
+        stress_tox_ca = stress_tox_ca,
+        stress_tox = stress_tox_total,
+        sys = sys_total,
+        stress_total = stress_total
+    )
 }
 
 
diff --git a/man/ecxsys.Rd b/man/ecxsys.Rd
index f8a83b84a63e84a7ad793e2124dc695a8d6f0e45..42d14bdafbaf951a547fc72b6ab63000acdeeac4 100644
--- a/man/ecxsys.Rd
+++ b/man/ecxsys.Rd
@@ -66,7 +66,7 @@ A list (of class ecxsys) containing many different objects of which
   }
 }
 \description{
-The ECx-SyS model for modeling concentration-effect relationships whith
+The ECx-SyS model for modeling concentration-effect relationships with
 hormesis.
 }
 \details{
diff --git a/man/predict_mixture.Rd b/man/predict_mixture.Rd
index a769976c97c4e4d8a136dcae1042773fd206b513..7c1302d185dfabf76e49cd55b5372826f1dd10b5 100644
--- a/man/predict_mixture.Rd
+++ b/man/predict_mixture.Rd
@@ -30,7 +30,7 @@ this should be 100 (the default).}
 }
 \value{
 A data frame with columns of the supplied concentrations and the
-  corresponding mixture effects.
+  corresponding mixture effects and stresses.
 }
 \description{
 Given the ecxsys models of two toxicants this method predicts the effects of